21086527

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{5167}}^1$

素因数の和:5238

約数の個数: 16

約数和(自身を含む): 26790912

約数和(自身を除く): 5704385

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 5167, 36169, 56837, 273851, 397859, 1916957, 3012361, 21086527]

約数ペア:

[(1, 21086527), (7, 3012361), (11, 1916957), (53, 397859), (77, 273851), (371, 56837), (583, 36169), (4081, 5167)]