21500666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51437}}^1$

素因数の和:51469

約数の個数: 16

約数和(自身を含む): 37035360

約数和(自身を除く): 15534694

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51437, 102874, 565807, 977303, 1131614, 1954606, 10750333, 21500666]

約数ペア:

[(1, 21500666), (2, 10750333), (11, 1954606), (19, 1131614), (22, 977303), (38, 565807), (209, 102874), (418, 51437)]