21349593

素因数分解:

$3^2\times {\mathrm{487}}^1\times {\mathrm{4871}}^1$

素因数の和:5364

約数の個数: 12

約数和(自身を含む): 30907968

約数和(自身を除く): 9558375

約数列:

[1, 3, 9, 487, 1461, 4383, 4871, 14613, 43839, 2372177, 7116531, 21349593]

約数ペア:

[(1, 21349593), (3, 7116531), (9, 2372177), (487, 43839), (1461, 14613), (4383, 4871)]