21893157

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17011}}^1$

素因数の和:17041

約数の個数: 24

約数和(自身を含む): 37154208

約数和(自身を除く): 15261051

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 17011, 51033, 153099, 187121, 221143, 561363, 663429, 1684089, 1990287, 2432573, 7297719, 21893157]

約数ペア:

[(1, 21893157), (3, 7297719), (9, 2432573), (11, 1990287), (13, 1684089), (33, 663429), (39, 561363), (99, 221143), (117, 187121), (143, 153099), (429, 51033), (1287, 17011)]