21888162

素因数分解:

$2^1\times 3^2\times {\mathrm{1216009}}^1$

素因数の和:1216017

約数の個数: 12

約数和(自身を含む): 47424390

約数和(自身を除く): 25536228

約数列:

[1, 2, 3, 6, 9, 18, 1216009, 2432018, 3648027, 7296054, 10944081, 21888162]

約数ペア:

[(1, 21888162), (2, 10944081), (3, 7296054), (6, 3648027), (9, 2432018), (18, 1216009)]