21266035

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 31080960

約数和(自身を除く): 9814925

約数列:

[1, 5, 7, 19, 35, 95, 113, 133, 283, 565, 665, 791, 1415, 1981, 2147, 3955, 5377, 9905, 10735, 15029, 26885, 31979, 37639, 75145, 159895, 188195, 223853, 607601, 1119265, 3038005, 4253207, 21266035]

約数ペア:

[(1, 21266035), (5, 4253207), (7, 3038005), (19, 1119265), (35, 607601), (95, 223853), (113, 188195), (133, 159895), (283, 75145), (565, 37639), (665, 31979), (791, 26885), (1415, 15029), (1981, 10735), (2147, 9905), (3955, 5377)]