21161654

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{1787}}^1$

素因数の和:2011

約数の個数: 16

約数和(自身を含む): 32956416

約数和(自身を除く): 11794762

約数列:

[1, 2, 31, 62, 191, 382, 1787, 3574, 5921, 11842, 55397, 110794, 341317, 682634, 10580827, 21161654]

約数ペア:

[(1, 21161654), (2, 10580827), (31, 682634), (62, 341317), (191, 110794), (382, 55397), (1787, 11842), (3574, 5921)]