21291228870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{709707629}}^1$

素因数の和:709707639

約数の個数: 16

約数和(自身を含む): 51098949360

約数和(自身を除く): 29807720490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 709707629, 1419415258, 2129122887, 3548538145, 4258245774, 7097076290, 10645614435, 21291228870]

約数ペア:

[(1, 21291228870), (2, 10645614435), (3, 7097076290), (5, 4258245774), (6, 3548538145), (10, 2129122887), (15, 1419415258), (30, 709707629)]