21051327

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15559}}^1$

素因数の和:15614

約数の個数: 16

約数和(自身を含む): 31368960

約数和(自身を除く): 10317633

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 15559, 46677, 171149, 513447, 637919, 1913757, 7017109, 21051327]

約数ペア:

[(1, 21051327), (3, 7017109), (11, 1913757), (33, 637919), (41, 513447), (123, 171149), (451, 46677), (1353, 15559)]