21187177

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 23887872

約数和(自身を除く): 2700695

約数列:

[1, 11, 47, 107, 383, 517, 1177, 4213, 5029, 18001, 40981, 55319, 198011, 450791, 1926107, 21187177]

約数ペア:

[(1, 21187177), (11, 1926107), (47, 450791), (107, 198011), (383, 55319), (517, 40981), (1177, 18001), (4213, 5029)]