21742216

素因数分解:

$2^3\times {\mathrm{701}}^1\times {\mathrm{3877}}^1$

素因数の和:4584

約数の個数: 16

約数和(自身を含む): 40835340

約数和(自身を除く): 19093124

約数列:

[1, 2, 4, 8, 701, 1402, 2804, 3877, 5608, 7754, 15508, 31016, 2717777, 5435554, 10871108, 21742216]

約数ペア:

[(1, 21742216), (2, 10871108), (4, 5435554), (8, 2717777), (701, 31016), (1402, 15508), (2804, 7754), (3877, 5608)]