21069870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{702329}}^1$

素因数の和:702339

約数の個数: 16

約数和(自身を含む): 50567760

約数和(自身を除く): 29497890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 702329, 1404658, 2106987, 3511645, 4213974, 7023290, 10534935, 21069870]

約数ペア:

[(1, 21069870), (2, 10534935), (3, 7023290), (5, 4213974), (6, 3511645), (10, 2106987), (15, 1404658), (30, 702329)]