21198886

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1\times {\mathrm{617}}^1$

素因数の和:1079

約数の個数: 16

約数和(自身を含む): 32704560

約数和(自身を除く): 11505674

約数列:

[1, 2, 41, 82, 419, 617, 838, 1234, 17179, 25297, 34358, 50594, 258523, 517046, 10599443, 21198886]

約数ペア:

[(1, 21198886), (2, 10599443), (41, 517046), (82, 258523), (419, 50594), (617, 34358), (838, 25297), (1234, 17179)]