21166518

素因数分解:

$2^1\times 3^1\times {\mathrm{1657}}^1\times {\mathrm{2129}}^1$

素因数の和:3791

約数の個数: 16

約数和(自身を含む): 42378480

約数和(自身を除く): 21211962

約数列:

[1, 2, 3, 6, 1657, 2129, 3314, 4258, 4971, 6387, 9942, 12774, 3527753, 7055506, 10583259, 21166518]

約数ペア:

[(1, 21166518), (2, 10583259), (3, 7055506), (6, 3527753), (1657, 12774), (2129, 9942), (3314, 6387), (4258, 4971)]