21897652

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41161}}^1$

素因数の和:41191

約数の個数: 24

約数和(自身を含む): 46101440

約数和(自身を除く): 24203788

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 41161, 82322, 164644, 288127, 576254, 782059, 1152508, 1564118, 3128236, 5474413, 10948826, 21897652]

約数ペア:

[(1, 21897652), (2, 10948826), (4, 5474413), (7, 3128236), (14, 1564118), (19, 1152508), (28, 782059), (38, 576254), (76, 288127), (133, 164644), (266, 82322), (532, 41161)]