21815692432

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{12742811}}^1$

素因数の和:12742926

約数の個数: 20

約数和(自身を含む): 42662934576

約数和(自身を除く): 20847242144

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 12742811, 25485622, 50971244, 101942488, 203884976, 1363480777, 2726961554, 5453923108, 10907846216, 21815692432]

約数ペア:

[(1, 21815692432), (2, 10907846216), (4, 5453923108), (8, 2726961554), (16, 1363480777), (107, 203884976), (214, 101942488), (428, 50971244), (856, 25485622), (1712, 12742811)]