21163210

素因数分解:

$2^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{9323}}^1$

素因数の和:9557

約数の個数: 16

約数和(自身を含む): 38265696

約数和(自身を除く): 17102486

約数列:

[1, 2, 5, 10, 227, 454, 1135, 2270, 9323, 18646, 46615, 93230, 2116321, 4232642, 10581605, 21163210]

約数ペア:

[(1, 21163210), (2, 10581605), (5, 4232642), (10, 2116321), (227, 93230), (454, 46615), (1135, 18646), (2270, 9323)]