21249734

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20551}}^1$

素因数の和:20611

約数の個数: 16

約数和(自身を含む): 35513856

約数和(自身を除く): 14264122

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20551, 41102, 226061, 452122, 965897, 1931794, 10624867, 21249734]

約数ペア:

[(1, 21249734), (2, 10624867), (11, 1931794), (22, 965897), (47, 452122), (94, 226061), (517, 41102), (1034, 20551)]