21296283

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1217}}^1$

素因数の和:1546

約数の個数: 16

約数和(自身を含む): 30011520

約数和(自身を除く): 8715237

約数列:

[1, 3, 19, 57, 307, 921, 1217, 3651, 5833, 17499, 23123, 69369, 373619, 1120857, 7098761, 21296283]

約数ペア:

[(1, 21296283), (3, 7098761), (19, 1120857), (57, 373619), (307, 69369), (921, 23123), (1217, 17499), (3651, 5833)]