21608864

素因数分解:

$2^5\times {\mathrm{107}}^1\times {\mathrm{6311}}^1$

素因数の和:6428

約数の個数: 24

約数和(自身を含む): 42946848

約数和(自身を除く): 21337984

約数列:

[1, 2, 4, 8, 16, 32, 107, 214, 428, 856, 1712, 3424, 6311, 12622, 25244, 50488, 100976, 201952, 675277, 1350554, 2701108, 5402216, 10804432, 21608864]

約数ペア:

[(1, 21608864), (2, 10804432), (4, 5402216), (8, 2701108), (16, 1350554), (32, 675277), (107, 201952), (214, 100976), (428, 50488), (856, 25244), (1712, 12622), (3424, 6311)]