21226562

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65921}}^1$

素因数の和:65953

約数の個数: 16

約数和(自身を含む): 37971072

約数和(自身を除く): 16744510

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 65921, 131842, 461447, 922894, 1516183, 3032366, 10613281, 21226562]

約数ペア:

[(1, 21226562), (2, 10613281), (7, 3032366), (14, 1516183), (23, 922894), (46, 461447), (161, 131842), (322, 65921)]