21000824559

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1813073}}^1$

素因数の和:1813109

約数の個数: 40

約数和(自身を含む): 36856168272

約数和(自身を除く): 15855343713

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 297, 351, 429, 891, 1053, 1287, 3861, 11583, 1813073, 5439219, 16317657, 19943803, 23569949, 48952971, 59831409, 70709847, 146858913, 179494227, 212129541, 259269439, 538482681, 636388623, 777808317, 1615448043, 1909165869, 2333424951, 7000274853, 21000824559]

約数ペア:

[(1, 21000824559), (3, 7000274853), (9, 2333424951), (11, 1909165869), (13, 1615448043), (27, 777808317), (33, 636388623), (39, 538482681), (81, 259269439), (99, 212129541), (117, 179494227), (143, 146858913), (297, 70709847), (351, 59831409), (429, 48952971), (891, 23569949), (1053, 19943803), (1287, 16317657), (3861, 5439219), (11583, 1813073)]