21375500

素因数分解:

$2^2\times 5^3\times {\mathrm{42751}}^1$

素因数の和:42770

約数の個数: 24

約数和(自身を含む): 46685184

約数和(自身を除く): 25309684

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 42751, 85502, 171004, 213755, 427510, 855020, 1068775, 2137550, 4275100, 5343875, 10687750, 21375500]

約数ペア:

[(1, 21375500), (2, 10687750), (4, 5343875), (5, 4275100), (10, 2137550), (20, 1068775), (25, 855020), (50, 427510), (100, 213755), (125, 171004), (250, 85502), (500, 42751)]