21659027

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:902

約数の個数: 16

約数和(自身を含む): 24491040

約数和(自身を除く): 2832013

約数列:

[1, 13, 29, 73, 377, 787, 949, 2117, 10231, 22823, 27521, 57451, 296699, 746863, 1666079, 21659027]

約数ペア:

[(1, 21659027), (13, 1666079), (29, 746863), (73, 296699), (377, 57451), (787, 27521), (949, 22823), (2117, 10231)]