21608200

素因数分解:

$2^3\times 5^2\times {\mathrm{108041}}^1$

素因数の和:108057

約数の個数: 24

約数和(自身を含む): 50239530

約数和(自身を除く): 28631330

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 108041, 216082, 432164, 540205, 864328, 1080410, 2160820, 2701025, 4321640, 5402050, 10804100, 21608200]

約数ペア:

[(1, 21608200), (2, 10804100), (4, 5402050), (5, 4321640), (8, 2701025), (10, 2160820), (20, 1080410), (25, 864328), (40, 540205), (50, 432164), (100, 216082), (200, 108041)]