21250834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{6397}}^1$

素因数の和:6561

約数の個数: 16

約数和(自身を含む): 35009856

約数和(自身を除く): 13759022

約数列:

[1, 2, 11, 22, 151, 302, 1661, 3322, 6397, 12794, 70367, 140734, 965947, 1931894, 10625417, 21250834]

約数ペア:

[(1, 21250834), (2, 10625417), (11, 1931894), (22, 965947), (151, 140734), (302, 70367), (1661, 12794), (3322, 6397)]