21238842

素因数分解:

$2^1\times 3^1\times {\mathrm{1021}}^1\times {\mathrm{3467}}^1$

素因数の和:4493

約数の個数: 16

約数和(自身を含む): 42531552

約数和(自身を除く): 21292710

約数列:

[1, 2, 3, 6, 1021, 2042, 3063, 3467, 6126, 6934, 10401, 20802, 3539807, 7079614, 10619421, 21238842]

約数ペア:

[(1, 21238842), (2, 10619421), (3, 7079614), (6, 3539807), (1021, 20802), (2042, 10401), (3063, 6934), (3467, 6126)]