21145450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{24877}}^1$

素因数の和:24906

約数の個数: 24

約数和(自身を含む): 41645772

約数和(自身を除く): 20500322

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 24877, 49754, 124385, 248770, 422909, 621925, 845818, 1243850, 2114545, 4229090, 10572725, 21145450]

約数ペア:

[(1, 21145450), (2, 10572725), (5, 4229090), (10, 2114545), (17, 1243850), (25, 845818), (34, 621925), (50, 422909), (85, 248770), (170, 124385), (425, 49754), (850, 24877)]