21586590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{239851}}^1$

素因数の和:239864

約数の個数: 24

約数和(自身を含む): 56125368

約数和(自身を除く): 34538778

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 239851, 479702, 719553, 1199255, 1439106, 2158659, 2398510, 3597765, 4317318, 7195530, 10793295, 21586590]

約数ペア:

[(1, 21586590), (2, 10793295), (3, 7195530), (5, 4317318), (6, 3597765), (9, 2398510), (10, 2158659), (15, 1439106), (18, 1199255), (30, 719553), (45, 479702), (90, 239851)]