21906786

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{331921}}^1$

素因数の和:331937

約数の個数: 16

約数和(自身を含む): 47796768

約数和(自身を除く): 25889982

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 331921, 663842, 995763, 1991526, 3651131, 7302262, 10953393, 21906786]

約数ペア:

[(1, 21906786), (2, 10953393), (3, 7302262), (6, 3651131), (11, 1991526), (22, 995763), (33, 663842), (66, 331921)]