21778217

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 23811840

約数和(自身を除く): 2033623

約数列:

[1, 23, 29, 103, 317, 667, 2369, 2987, 7291, 9193, 32651, 68701, 211439, 750973, 946879, 21778217]

約数ペア:

[(1, 21778217), (23, 946879), (29, 750973), (103, 211439), (317, 68701), (667, 32651), (2369, 9193), (2987, 7291)]