21241851

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3217}}^1$

素因数の和:3322

約数の個数: 16

約数和(自身を含む): 29657088

約数和(自身を除く): 8415237

約数列:

[1, 3, 31, 71, 93, 213, 2201, 3217, 6603, 9651, 99727, 228407, 299181, 685221, 7080617, 21241851]

約数ペア:

[(1, 21241851), (3, 7080617), (31, 685221), (71, 299181), (93, 228407), (213, 99727), (2201, 9651), (3217, 6603)]