21493400

素因数分解:

$2^3\times 5^2\times {\mathrm{107467}}^1$

素因数の和:107483

約数の個数: 24

約数和(自身を含む): 49972620

約数和(自身を除く): 28479220

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 107467, 214934, 429868, 537335, 859736, 1074670, 2149340, 2686675, 4298680, 5373350, 10746700, 21493400]

約数ペア:

[(1, 21493400), (2, 10746700), (4, 5373350), (5, 4298680), (8, 2686675), (10, 2149340), (20, 1074670), (25, 859736), (40, 537335), (50, 429868), (100, 214934), (200, 107467)]