21390713

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1652

約数の個数: 16

約数和(自身を含む): 24268800

約数和(自身を除く): 2878087

約数列:

[1, 19, 23, 31, 437, 589, 713, 1579, 13547, 30001, 36317, 48949, 690023, 930031, 1125827, 21390713]

約数ペア:

[(1, 21390713), (19, 1125827), (23, 930031), (31, 690023), (437, 48949), (589, 36317), (713, 30001), (1579, 13547)]