21249822

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{811}}^1$

素因数の和:1224

約数の個数: 32

約数和(自身を含む): 46537344

約数和(自身を除く): 25287522

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 397, 794, 811, 1191, 1622, 2382, 2433, 4367, 4866, 8734, 8921, 13101, 17842, 26202, 26763, 53526, 321967, 643934, 965901, 1931802, 3541637, 7083274, 10624911, 21249822]

約数ペア:

[(1, 21249822), (2, 10624911), (3, 7083274), (6, 3541637), (11, 1931802), (22, 965901), (33, 643934), (66, 321967), (397, 53526), (794, 26763), (811, 26202), (1191, 17842), (1622, 13101), (2382, 8921), (2433, 8734), (4367, 4866)]