21739170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{724639}}^1$

素因数の和:724649

約数の個数: 16

約数和(自身を含む): 52174080

約数和(自身を除く): 30434910

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 724639, 1449278, 2173917, 3623195, 4347834, 7246390, 10869585, 21739170]

約数ペア:

[(1, 21739170), (2, 10869585), (3, 7246390), (5, 4347834), (6, 3623195), (10, 2173917), (15, 1449278), (30, 724639)]