21346250

素因数分解:

$2^1\times 5^4\times {\mathrm{17077}}^1$

素因数の和:17099

約数の個数: 20

約数和(自身を含む): 40013754

約数和(自身を除く): 18667504

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 17077, 34154, 85385, 170770, 426925, 853850, 2134625, 4269250, 10673125, 21346250]

約数ペア:

[(1, 21346250), (2, 10673125), (5, 4269250), (10, 2134625), (25, 853850), (50, 426925), (125, 170770), (250, 85385), (625, 34154), (1250, 17077)]