21221181219

素因数分解:

$3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{863}}^1\times {\mathrm{1039}}^1$

素因数の和:1949

約数の個数: 64

約数和(自身を含む): 34504704000

約数和(自身を除く): 13283522781

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 343, 483, 863, 1029, 1039, 1127, 2589, 3117, 3381, 6041, 7273, 7889, 18123, 19849, 21819, 23667, 23897, 42287, 50911, 59547, 71691, 126861, 138943, 152733, 167279, 296009, 356377, 416829, 501837, 888027, 896657, 972601, 1069131, 1170953, 2689971, 2917803, 3512859, 6276599, 6808207, 8196671, 18829797, 20424621, 20623111, 24590013, 43936193, 61869333, 131808579, 144361777, 307553351, 433085331, 922660053, 1010532439, 3031597317, 7073727073, 21221181219]

約数ペア:

[(1, 21221181219), (3, 7073727073), (7, 3031597317), (21, 1010532439), (23, 922660053), (49, 433085331), (69, 307553351), (147, 144361777), (161, 131808579), (343, 61869333), (483, 43936193), (863, 24590013), (1029, 20623111), (1039, 20424621), (1127, 18829797), (2589, 8196671), (3117, 6808207), (3381, 6276599), (6041, 3512859), (7273, 2917803), (7889, 2689971), (18123, 1170953), (19849, 1069131), (21819, 972601), (23667, 896657), (23897, 888027), (42287, 501837), (50911, 416829), (59547, 356377), (71691, 296009), (126861, 167279), (138943, 152733)]