21494600

素因数分解:

$2^3\times 5^2\times {\mathrm{107473}}^1$

素因数の和:107489

約数の個数: 24

約数和(自身を含む): 49975410

約数和(自身を除く): 28480810

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 107473, 214946, 429892, 537365, 859784, 1074730, 2149460, 2686825, 4298920, 5373650, 10747300, 21494600]

約数ペア:

[(1, 21494600), (2, 10747300), (4, 5373650), (5, 4298920), (8, 2686825), (10, 2149460), (20, 1074730), (25, 859784), (40, 537365), (50, 429892), (100, 214946), (200, 107473)]