21274514

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{1201}}^1$

素因数の和:1741

約数の個数: 16

約数和(自身を含む): 33881976

約数和(自身を除く): 12607462

約数列:

[1, 2, 17, 34, 521, 1042, 1201, 2402, 8857, 17714, 20417, 40834, 625721, 1251442, 10637257, 21274514]

約数ペア:

[(1, 21274514), (2, 10637257), (17, 1251442), (34, 625721), (521, 40834), (1042, 20417), (1201, 17714), (2402, 8857)]