21115663767

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{883}}^1\times {\mathrm{26839}}^1$

素因数の和:27745

約数の個数: 40

約数和(自身を含む): 34450965120

約数和(自身を除く): 13335301353

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 883, 891, 2649, 7947, 9713, 23841, 26839, 29139, 71523, 80517, 87417, 241551, 262251, 295229, 724653, 786753, 885687, 2173959, 2657061, 7971183, 23698837, 23913549, 71096511, 213289533, 260687207, 639868599, 782061621, 1919605797, 2346184863, 7038554589, 21115663767]

約数ペア:

[(1, 21115663767), (3, 7038554589), (9, 2346184863), (11, 1919605797), (27, 782061621), (33, 639868599), (81, 260687207), (99, 213289533), (297, 71096511), (883, 23913549), (891, 23698837), (2649, 7971183), (7947, 2657061), (9713, 2173959), (23841, 885687), (26839, 786753), (29139, 724653), (71523, 295229), (80517, 262251), (87417, 241551)]