21168500

素因数分解:

$2^2\times 5^3\times {\mathrm{42337}}^1$

素因数の和:42356

約数の個数: 24

約数和(自身を含む): 46233096

約数和(自身を除く): 25064596

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 42337, 84674, 169348, 211685, 423370, 846740, 1058425, 2116850, 4233700, 5292125, 10584250, 21168500]

約数ペア:

[(1, 21168500), (2, 10584250), (4, 5292125), (5, 4233700), (10, 2116850), (20, 1058425), (25, 846740), (50, 423370), (100, 211685), (125, 169348), (250, 84674), (500, 42337)]