21294500

素因数分解:

$2^2\times 5^3\times {\mathrm{42589}}^1$

素因数の和:42608

約数の個数: 24

約数和(自身を含む): 46508280

約数和(自身を除く): 25213780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 42589, 85178, 170356, 212945, 425890, 851780, 1064725, 2129450, 4258900, 5323625, 10647250, 21294500]

約数ペア:

[(1, 21294500), (2, 10647250), (4, 5323625), (5, 4258900), (10, 2129450), (20, 1064725), (25, 851780), (50, 425890), (100, 212945), (125, 170356), (250, 85178), (500, 42589)]