21717631

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 24254944

約数和(自身を除く): 2537313

約数列:

[1, 13, 37, 163, 277, 481, 2119, 3601, 6031, 10249, 45151, 78403, 133237, 586963, 1670587, 21717631]

約数ペア:

[(1, 21717631), (13, 1670587), (37, 586963), (163, 133237), (277, 78403), (481, 45151), (2119, 10249), (3601, 6031)]