21107438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56437}}^1$

素因数の和:56467

約数の個数: 16

約数和(自身を含む): 36571824

約数和(自身を除く): 15464386

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56437, 112874, 620807, 959429, 1241614, 1918858, 10553719, 21107438]

約数ペア:

[(1, 21107438), (2, 10553719), (11, 1918858), (17, 1241614), (22, 959429), (34, 620807), (187, 112874), (374, 56437)]