21348070

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{11177}}^1$

素因数の和:11375

約数の個数: 16

約数和(自身を含む): 38631168

約数和(自身を除く): 17283098

約数列:

[1, 2, 5, 10, 191, 382, 955, 1910, 11177, 22354, 55885, 111770, 2134807, 4269614, 10674035, 21348070]

約数ペア:

[(1, 21348070), (2, 10674035), (5, 4269614), (10, 2134807), (191, 111770), (382, 55885), (955, 22354), (1910, 11177)]