Problem 44065. Number of even divisors of a given number

Created by Jihye Sofia Seo

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Given a Number n, return the number of its even divisors without listing them.

example:

n=14 ; EvenDivisors={2,14} ; y=2

n=68 ; EvenDivisors={2,34,4,68} ; y=4

n=64 ; EvenDivisors={2,4,8,16,32} ; y=5

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Last Solution submitted on Oct 04, 2025

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James on 16 Feb 2017

For n=64, wouldn't the correct answer be 6, since 64 itself is also even? If you're not counting the number itself as a divisor, then the answers above for n=14 and n=68 would be incorrect.

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Problem 44065. Number of even divisors of a given number

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Problem 44065. Number of even divisors of a given number

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Last 200 Solutions

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Problem Recent Solvers50

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