21419073

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{20341}}^1$

素因数の和:20366

約数の個数: 20

約数和(自身を含む): 34459348

約数和(自身を除く): 13040275

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 20341, 61023, 183069, 264433, 549207, 793299, 1647621, 2379897, 7139691, 21419073]

約数ペア:

[(1, 21419073), (3, 7139691), (9, 2379897), (13, 1647621), (27, 793299), (39, 549207), (81, 264433), (117, 183069), (351, 61023), (1053, 20341)]