21031566

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{66137}}^1$

素因数の和:66195

約数の個数: 16

約数和(自身を含む): 42857424

約数和(自身を除く): 21825858

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 66137, 132274, 198411, 396822, 3505261, 7010522, 10515783, 21031566]

約数ペア:

[(1, 21031566), (2, 10515783), (3, 7010522), (6, 3505261), (53, 396822), (106, 198411), (159, 132274), (318, 66137)]