12721638

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{29863}}^1$

素因数の和:29939

約数の個数: 16

約数和(自身を含む): 25802496

約数和(自身を除く): 13080858

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 29863, 59726, 89589, 179178, 2120273, 4240546, 6360819, 12721638]

約数ペア:

[(1, 12721638), (2, 6360819), (3, 4240546), (6, 2120273), (71, 179178), (142, 89589), (213, 59726), (426, 29863)]