21191200

素因数分解:

$2^5\times 5^2\times {\mathrm{26489}}^1$

素因数の和:26509

約数の個数: 36

約数和(自身を含む): 51734970

約数和(自身を除く): 30543770

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 26489, 52978, 105956, 132445, 211912, 264890, 423824, 529780, 662225, 847648, 1059560, 1324450, 2119120, 2648900, 4238240, 5297800, 10595600, 21191200]

約数ペア:

[(1, 21191200), (2, 10595600), (4, 5297800), (5, 4238240), (8, 2648900), (10, 2119120), (16, 1324450), (20, 1059560), (25, 847648), (32, 662225), (40, 529780), (50, 423824), (80, 264890), (100, 211912), (160, 132445), (200, 105956), (400, 52978), (800, 26489)]