21918018

素因数分解:

$2^1\times 3^1\times {\mathrm{977}}^1\times {\mathrm{3739}}^1$

素因数の和:4721

約数の個数: 16

約数和(自身を含む): 43892640

約数和(自身を除く): 21974622

約数列:

[1, 2, 3, 6, 977, 1954, 2931, 3739, 5862, 7478, 11217, 22434, 3653003, 7306006, 10959009, 21918018]

約数ペア:

[(1, 21918018), (2, 10959009), (3, 7306006), (6, 3653003), (977, 22434), (1954, 11217), (2931, 7478), (3739, 5862)]