21675786

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{328421}}^1$

素因数の和:328437

約数の個数: 16

約数和(自身を含む): 47292768

約数和(自身を除く): 25616982

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 328421, 656842, 985263, 1970526, 3612631, 7225262, 10837893, 21675786]

約数ペア:

[(1, 21675786), (2, 10837893), (3, 7225262), (6, 3612631), (11, 1970526), (22, 985263), (33, 656842), (66, 328421)]