21891002605

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{3733}}^1\times {\mathrm{22129}}^1$

素因数の和:25920

約数の個数: 16

約数和(自身を含む): 26773228080

約数和(自身を除く): 4882225475

約数列:

[1, 5, 53, 265, 3733, 18665, 22129, 110645, 197849, 989245, 1172837, 5864185, 82607557, 413037785, 4378200521, 21891002605]

約数ペア:

[(1, 21891002605), (5, 4378200521), (53, 413037785), (265, 82607557), (3733, 5864185), (18665, 1172837), (22129, 989245), (110645, 197849)]