210811540

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{25037}}^1$

素因数の和:25467

約数の個数: 24

約数和(自身を含む): 443773512

約数和(自身を除く): 232961972

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 25037, 50074, 100148, 125185, 250370, 500740, 10540577, 21081154, 42162308, 52702885, 105405770, 210811540]

約数ペア:

[(1, 210811540), (2, 105405770), (4, 52702885), (5, 42162308), (10, 21081154), (20, 10540577), (421, 500740), (842, 250370), (1684, 125185), (2105, 100148), (4210, 50074), (8420, 25037)]