21915153

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2371}}^1$

素因数の和:2469

約数の個数: 24

約数和(自身を含む): 34536320

約数和(自身を除く): 12621167

約数列:

[1, 3, 9, 13, 39, 79, 117, 237, 711, 1027, 2371, 3081, 7113, 9243, 21339, 30823, 92469, 187309, 277407, 561927, 1685781, 2435017, 7305051, 21915153]

約数ペア:

[(1, 21915153), (3, 7305051), (9, 2435017), (13, 1685781), (39, 561927), (79, 277407), (117, 187309), (237, 92469), (711, 30823), (1027, 21339), (2371, 9243), (3081, 7113)]