21064600

素因数分解:

$2^3\times 5^2\times {\mathrm{105323}}^1$

素因数の和:105339

約数の個数: 24

約数和(自身を含む): 48975660

約数和(自身を除く): 27911060

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 105323, 210646, 421292, 526615, 842584, 1053230, 2106460, 2633075, 4212920, 5266150, 10532300, 21064600]

約数ペア:

[(1, 21064600), (2, 10532300), (4, 5266150), (5, 4212920), (8, 2633075), (10, 2106460), (20, 1053230), (25, 842584), (40, 526615), (50, 421292), (100, 210646), (200, 105323)]