21404804536

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{5051}}^1$

素因数の和:5324

約数の個数: 64

約数和(自身を含む): 41825710080

約数和(自身を除く): 20420905544

約数列:

[1, 2, 4, 8, 43, 86, 97, 127, 172, 194, 254, 344, 388, 508, 776, 1016, 4171, 5051, 5461, 8342, 10102, 10922, 12319, 16684, 20204, 21844, 24638, 33368, 40408, 43688, 49276, 98552, 217193, 434386, 489947, 529717, 641477, 868772, 979894, 1059434, 1282954, 1737544, 1959788, 2118868, 2565908, 3919576, 4237736, 5131816, 21067721, 27583511, 42135442, 55167022, 62223269, 84270884, 110334044, 124446538, 168541768, 220668088, 248893076, 497786152, 2675600567, 5351201134, 10702402268, 21404804536]

約数ペア:

[(1, 21404804536), (2, 10702402268), (4, 5351201134), (8, 2675600567), (43, 497786152), (86, 248893076), (97, 220668088), (127, 168541768), (172, 124446538), (194, 110334044), (254, 84270884), (344, 62223269), (388, 55167022), (508, 42135442), (776, 27583511), (1016, 21067721), (4171, 5131816), (5051, 4237736), (5461, 3919576), (8342, 2565908), (10102, 2118868), (10922, 1959788), (12319, 1737544), (16684, 1282954), (20204, 1059434), (21844, 979894), (24638, 868772), (33368, 641477), (40408, 529717), (43688, 489947), (49276, 434386), (98552, 217193)]