21201302

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{4259}}^1$

素因数の和:4411

約数の個数: 16

約数和(自身を含む): 33739200

約数和(自身を除く): 12537898

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4259, 4978, 8518, 80921, 161842, 557929, 1115858, 10600651, 21201302]

約数ペア:

[(1, 21201302), (2, 10600651), (19, 1115858), (38, 557929), (131, 161842), (262, 80921), (2489, 8518), (4259, 4978)]