21162472

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{19031}}^1$

素因数の和:19176

約数の個数: 16

約数和(自身を含む): 39967200

約数和(自身を除く): 18804728

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 19031, 38062, 76124, 152248, 2645309, 5290618, 10581236, 21162472]

約数ペア:

[(1, 21162472), (2, 10581236), (4, 5290618), (8, 2645309), (139, 152248), (278, 76124), (556, 38062), (1112, 19031)]