21189027

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3209}}^1$

素因数の和:3314

約数の個数: 16

約数和(自身を含む): 29583360

約数和(自身を除く): 8394333

約数列:

[1, 3, 31, 71, 93, 213, 2201, 3209, 6603, 9627, 99479, 227839, 298437, 683517, 7063009, 21189027]

約数ペア:

[(1, 21189027), (3, 7063009), (31, 683517), (71, 298437), (93, 227839), (213, 99479), (2201, 9627), (3209, 6603)]