21915312485

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{36223657}}^1$

素因数の和:36223684

約数の個数: 12

約数和(自身を含む): 28906479084

約数和(自身を除く): 6991166599

約数列:

[1, 5, 11, 55, 121, 605, 36223657, 181118285, 398460227, 1992301135, 4383062497, 21915312485]

約数ペア:

[(1, 21915312485), (5, 4383062497), (11, 1992301135), (55, 398460227), (121, 181118285), (605, 36223657)]