21731199

素因数分解:

$3^1\times 7^1\times {\mathrm{757}}^1\times {\mathrm{1367}}^1$

素因数の和:2134

約数の個数: 16

約数和(自身を含む): 33182208

約数和(自身を除く): 11451009

約数列:

[1, 3, 7, 21, 757, 1367, 2271, 4101, 5299, 9569, 15897, 28707, 1034819, 3104457, 7243733, 21731199]

約数ペア:

[(1, 21731199), (3, 7243733), (7, 3104457), (21, 1034819), (757, 28707), (1367, 15897), (2271, 9569), (4101, 5299)]