21252250

素因数分解:

$2^1\times 5^3\times {\mathrm{85009}}^1$

素因数の和:85026

約数の個数: 16

約数和(自身を含む): 39784680

約数和(自身を除く): 18532430

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 85009, 170018, 425045, 850090, 2125225, 4250450, 10626125, 21252250]

約数ペア:

[(1, 21252250), (2, 10626125), (5, 4250450), (10, 2125225), (25, 850090), (50, 425045), (125, 170018), (250, 85009)]