21161312

素因数分解:

$2^5\times {\mathrm{163}}^1\times {\mathrm{4057}}^1$

素因数の和:4230

約数の個数: 24

約数和(自身を含む): 41927256

約数和(自身を除く): 20765944

約数列:

[1, 2, 4, 8, 16, 32, 163, 326, 652, 1304, 2608, 4057, 5216, 8114, 16228, 32456, 64912, 129824, 661291, 1322582, 2645164, 5290328, 10580656, 21161312]

約数ペア:

[(1, 21161312), (2, 10580656), (4, 5290328), (8, 2645164), (16, 1322582), (32, 661291), (163, 129824), (326, 64912), (652, 32456), (1304, 16228), (2608, 8114), (4057, 5216)]