21529010

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{14449}}^1$

素因数の和:14605

約数の個数: 16

約数和(自身を含む): 39015000

約数和(自身を除く): 17485990

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 14449, 28898, 72245, 144490, 2152901, 4305802, 10764505, 21529010]

約数ペア:

[(1, 21529010), (2, 10764505), (5, 4305802), (10, 2152901), (149, 144490), (298, 72245), (745, 28898), (1490, 14449)]