21375497

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 25740288

約数和(自身を除く): 4364791

約数列:

[1, 11, 13, 107, 121, 127, 143, 1177, 1391, 1397, 1573, 1651, 12947, 13589, 15301, 15367, 18161, 149479, 168311, 176657, 199771, 1644269, 1943227, 21375497]

約数ペア:

[(1, 21375497), (11, 1943227), (13, 1644269), (107, 199771), (121, 176657), (127, 168311), (143, 149479), (1177, 18161), (1391, 15367), (1397, 15301), (1573, 13589), (1651, 12947)]