21267069

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{4021}}^1$

素因数の和:4108

約数の個数: 16

約数和(自身を含む): 29730624

約数和(自身を除く): 8463555

約数列:

[1, 3, 41, 43, 123, 129, 1763, 4021, 5289, 12063, 164861, 172903, 494583, 518709, 7089023, 21267069]

約数ペア:

[(1, 21267069), (3, 7089023), (41, 518709), (43, 494583), (123, 172903), (129, 164861), (1763, 12063), (4021, 5289)]