21871230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{729041}}^1$

素因数の和:729051

約数の個数: 16

約数和(自身を含む): 52491024

約数和(自身を除く): 30619794

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 729041, 1458082, 2187123, 3645205, 4374246, 7290410, 10935615, 21871230]

約数ペア:

[(1, 21871230), (2, 10935615), (3, 7290410), (5, 4374246), (6, 3645205), (10, 2187123), (15, 1458082), (30, 729041)]