21364450

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{4801}}^1$

素因数の和:4902

約数の個数: 24

約数和(自身を含む): 40192740

約数和(自身を除く): 18828290

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 4801, 9602, 24005, 48010, 120025, 240050, 427289, 854578, 2136445, 4272890, 10682225, 21364450]

約数ペア:

[(1, 21364450), (2, 10682225), (5, 4272890), (10, 2136445), (25, 854578), (50, 427289), (89, 240050), (178, 120025), (445, 48010), (890, 24005), (2225, 9602), (4450, 4801)]