21891927

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1301}}^1$

素因数の和:1454

約数の個数: 16

約数和(自身を含む): 29998080

約数和(自身を除く): 8106153

約数列:

[1, 3, 71, 79, 213, 237, 1301, 3903, 5609, 16827, 92371, 102779, 277113, 308337, 7297309, 21891927]

約数ペア:

[(1, 21891927), (3, 7297309), (71, 308337), (79, 277113), (213, 102779), (237, 92371), (1301, 16827), (3903, 5609)]