21102691

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:414

約数の個数: 16

約数和(自身を含む): 22818240

約数和(自身を除く): 1715549

約数列:

[1, 29, 37, 71, 277, 1073, 2059, 2627, 8033, 10249, 19667, 76183, 297221, 570343, 727679, 21102691]

約数ペア:

[(1, 21102691), (29, 727679), (37, 570343), (71, 297221), (277, 76183), (1073, 19667), (2059, 10249), (2627, 8033)]