21857526

素因数分解:

$2^1\times 3^4\times {\mathrm{134923}}^1$

素因数の和:134937

約数の個数: 20

約数和(自身を含む): 48977412

約数和(自身を除く): 27119886

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 134923, 269846, 404769, 809538, 1214307, 2428614, 3642921, 7285842, 10928763, 21857526]

約数ペア:

[(1, 21857526), (2, 10928763), (3, 7285842), (6, 3642921), (9, 2428614), (18, 1214307), (27, 809538), (54, 404769), (81, 269846), (162, 134923)]