21187000

素因数分解:

$2^3\times 5^3\times {\mathrm{21187}}^1$

素因数の和:21208

約数の個数: 32

約数和(自身を含む): 49579920

約数和(自身を除く): 28392920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 21187, 42374, 84748, 105935, 169496, 211870, 423740, 529675, 847480, 1059350, 2118700, 2648375, 4237400, 5296750, 10593500, 21187000]

約数ペア:

[(1, 21187000), (2, 10593500), (4, 5296750), (5, 4237400), (8, 2648375), (10, 2118700), (20, 1059350), (25, 847480), (40, 529675), (50, 423740), (100, 211870), (125, 169496), (200, 105935), (250, 84748), (500, 42374), (1000, 21187)]