21890600

素因数分解:

$2^3\times 5^2\times {\mathrm{109453}}^1$

素因数の和:109469

約数の個数: 24

約数和(自身を含む): 50896110

約数和(自身を除く): 29005510

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 109453, 218906, 437812, 547265, 875624, 1094530, 2189060, 2736325, 4378120, 5472650, 10945300, 21890600]

約数ペア:

[(1, 21890600), (2, 10945300), (4, 5472650), (5, 4378120), (8, 2736325), (10, 2189060), (20, 1094530), (25, 875624), (40, 547265), (50, 437812), (100, 218906), (200, 109453)]