21105824

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{4201}}^1$

素因数の和:4368

約数の個数: 24

約数和(自身を含む): 41826708

約数和(自身を除く): 20720884

約数列:

[1, 2, 4, 8, 16, 32, 157, 314, 628, 1256, 2512, 4201, 5024, 8402, 16804, 33608, 67216, 134432, 659557, 1319114, 2638228, 5276456, 10552912, 21105824]

約数ペア:

[(1, 21105824), (2, 10552912), (4, 5276456), (8, 2638228), (16, 1319114), (32, 659557), (157, 134432), (314, 67216), (628, 33608), (1256, 16804), (2512, 8402), (4201, 5024)]