21023691

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{701}}^1\times {\mathrm{769}}^1$

素因数の和:1486

約数の個数: 16

約数和(自身を含む): 30270240

約数和(自身を除く): 9246549

約数列:

[1, 3, 13, 39, 701, 769, 2103, 2307, 9113, 9997, 27339, 29991, 539069, 1617207, 7007897, 21023691]

約数ペア:

[(1, 21023691), (3, 7007897), (13, 1617207), (39, 539069), (701, 29991), (769, 27339), (2103, 9997), (2307, 9113)]