21927841

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{317}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 25162704

約数和(自身を除く): 3234863

約数列:

[1, 13, 17, 221, 313, 317, 4069, 4121, 5321, 5389, 69173, 70057, 99221, 1289873, 1686757, 21927841]

約数ペア:

[(1, 21927841), (13, 1686757), (17, 1289873), (221, 99221), (313, 70057), (317, 69173), (4069, 5389), (4121, 5321)]