21020886

素因数分解:

$2^1\times 3^2\times {\mathrm{359}}^1\times {\mathrm{3253}}^1$

素因数の和:3620

約数の個数: 24

約数和(自身を含む): 45686160

約数和(自身を除く): 24665274

約数列:

[1, 2, 3, 6, 9, 18, 359, 718, 1077, 2154, 3231, 3253, 6462, 6506, 9759, 19518, 29277, 58554, 1167827, 2335654, 3503481, 7006962, 10510443, 21020886]

約数ペア:

[(1, 21020886), (2, 10510443), (3, 7006962), (6, 3503481), (9, 2335654), (18, 1167827), (359, 58554), (718, 29277), (1077, 19518), (2154, 9759), (3231, 6506), (3253, 6462)]