21404482

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{2311}}^1$

素因数の和:2745

約数の個数: 16

約数和(自身を含む): 35123904

約数和(自身を除く): 13719422

約数列:

[1, 2, 11, 22, 421, 842, 2311, 4622, 4631, 9262, 25421, 50842, 972931, 1945862, 10702241, 21404482]

約数ペア:

[(1, 21404482), (2, 10702241), (11, 1945862), (22, 972931), (421, 50842), (842, 25421), (2311, 9262), (4622, 4631)]