21729090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{724303}}^1$

素因数の和:724313

約数の個数: 16

約数和(自身を含む): 52149888

約数和(自身を除く): 30420798

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 724303, 1448606, 2172909, 3621515, 4345818, 7243030, 10864545, 21729090]

約数ペア:

[(1, 21729090), (2, 10864545), (3, 7243030), (5, 4345818), (6, 3621515), (10, 2172909), (15, 1448606), (30, 724303)]