21879016

素因数分解:

$2^3\times {\mathrm{239}}^1\times {\mathrm{11443}}^1$

素因数の和:11688

約数の個数: 16

約数和(自身を含む): 41198400

約数和(自身を除く): 19319384

約数列:

[1, 2, 4, 8, 239, 478, 956, 1912, 11443, 22886, 45772, 91544, 2734877, 5469754, 10939508, 21879016]

約数ペア:

[(1, 21879016), (2, 10939508), (4, 5469754), (8, 2734877), (239, 91544), (478, 45772), (956, 22886), (1912, 11443)]