21888141

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{1583}}^1$

素因数の和:2016

約数の個数: 16

約数和(自身を含む): 31933440

約数和(自身を除く): 10045299

約数列:

[1, 3, 11, 33, 419, 1257, 1583, 4609, 4749, 13827, 17413, 52239, 663277, 1989831, 7296047, 21888141]

約数ペア:

[(1, 21888141), (3, 7296047), (11, 1989831), (33, 663277), (419, 52239), (1257, 17413), (1583, 13827), (4609, 4749)]