21350043

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 37031904

約数和(自身を除く): 15681861

約数列:

[1, 3, 9, 11, 13, 33, 39, 53, 99, 117, 143, 159, 313, 429, 477, 583, 689, 939, 1287, 1749, 2067, 2817, 3443, 4069, 5247, 6201, 7579, 10329, 12207, 16589, 22737, 30987, 36621, 44759, 49767, 68211, 134277, 149301, 182479, 215657, 402831, 547437, 646971, 1642311, 1940913, 2372227, 7116681, 21350043]

約数ペア:

[(1, 21350043), (3, 7116681), (9, 2372227), (11, 1940913), (13, 1642311), (33, 646971), (39, 547437), (53, 402831), (99, 215657), (117, 182479), (143, 149301), (159, 134277), (313, 68211), (429, 49767), (477, 44759), (583, 36621), (689, 30987), (939, 22737), (1287, 16589), (1749, 12207), (2067, 10329), (2817, 7579), (3443, 6201), (4069, 5247)]