21879870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{729329}}^1$

素因数の和:729339

約数の個数: 16

約数和(自身を含む): 52511760

約数和(自身を除く): 30631890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 729329, 1458658, 2187987, 3646645, 4375974, 7293290, 10939935, 21879870]

約数ペア:

[(1, 21879870), (2, 10939935), (3, 7293290), (5, 4375974), (6, 3646645), (10, 2187987), (15, 1458658), (30, 729329)]