21238170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{707939}}^1$

素因数の和:707949

約数の個数: 16

約数和(自身を含む): 50971680

約数和(自身を除く): 29733510

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 707939, 1415878, 2123817, 3539695, 4247634, 7079390, 10619085, 21238170]

約数ペア:

[(1, 21238170), (2, 10619085), (3, 7079390), (5, 4247634), (6, 3539695), (10, 2123817), (15, 1415878), (30, 707939)]