21654974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{57901}}^1$

素因数の和:57931

約数の個数: 16

約数和(自身を含む): 37520496

約数和(自身を除く): 15865522

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 57901, 115802, 636911, 984317, 1273822, 1968634, 10827487, 21654974]

約数ペア:

[(1, 21654974), (2, 10827487), (11, 1968634), (17, 1273822), (22, 984317), (34, 636911), (187, 115802), (374, 57901)]