21120618

素因数分解:

$2^1\times 3^1\times {\mathrm{1471}}^1\times {\mathrm{2393}}^1$

素因数の和:3869

約数の個数: 16

約数和(自身を含む): 42287616

約数和(自身を除く): 21166998

約数列:

[1, 2, 3, 6, 1471, 2393, 2942, 4413, 4786, 7179, 8826, 14358, 3520103, 7040206, 10560309, 21120618]

約数ペア:

[(1, 21120618), (2, 10560309), (3, 7040206), (6, 3520103), (1471, 14358), (2393, 8826), (2942, 7179), (4413, 4786)]