21031260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350521}}^1$

素因数の和:350533

約数の個数: 24

約数和(自身を含む): 58887696

約数和(自身を除く): 37856436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350521, 701042, 1051563, 1402084, 1752605, 2103126, 3505210, 4206252, 5257815, 7010420, 10515630, 21031260]

約数ペア:

[(1, 21031260), (2, 10515630), (3, 7010420), (4, 5257815), (5, 4206252), (6, 3505210), (10, 2103126), (12, 1752605), (15, 1402084), (20, 1051563), (30, 701042), (60, 350521)]