21964638969

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{4007}}^1$

素因数の和:4156

約数の個数: 128

約数和(自身を含む): 42232135680

約数和(自身を除く): 20267496711

約数列:

[1, 3, 7, 9, 13, 21, 23, 27, 39, 63, 69, 91, 97, 117, 161, 189, 207, 273, 291, 299, 351, 483, 621, 679, 819, 873, 897, 1261, 1449, 2037, 2093, 2231, 2457, 2619, 2691, 3783, 4007, 4347, 6111, 6279, 6693, 8073, 8827, 11349, 12021, 15617, 18333, 18837, 20079, 26481, 28049, 29003, 34047, 36063, 46851, 52091, 56511, 60237, 79443, 84147, 87009, 92161, 108189, 140553, 156273, 203021, 238329, 252441, 261027, 276483, 364637, 388679, 421659, 468819, 609063, 645127, 757323, 783081, 829449, 1093911, 1166037, 1198093, 1406457, 1827189, 1935381, 2488347, 2720753, 3281733, 3498111, 3594279, 5052827, 5481567, 5806143, 8162259, 8386651, 8939617, 9845199, 10494333, 10782837, 15158481, 17418429, 24486777, 25159953, 26818851, 32348511, 35369789, 45475443, 62577319, 73460331, 75479859, 80456553, 106109367, 116215021, 136426329, 187731957, 226439577, 241369659, 318328101, 348645063, 563195871, 813505147, 954984303, 1045935189, 1689587613, 2440515441, 3137805567, 7321546323, 21964638969]

約数ペア:

[(1, 21964638969), (3, 7321546323), (7, 3137805567), (9, 2440515441), (13, 1689587613), (21, 1045935189), (23, 954984303), (27, 813505147), (39, 563195871), (63, 348645063), (69, 318328101), (91, 241369659), (97, 226439577), (117, 187731957), (161, 136426329), (189, 116215021), (207, 106109367), (273, 80456553), (291, 75479859), (299, 73460331), (351, 62577319), (483, 45475443), (621, 35369789), (679, 32348511), (819, 26818851), (873, 25159953), (897, 24486777), (1261, 17418429), (1449, 15158481), (2037, 10782837), (2093, 10494333), (2231, 9845199), (2457, 8939617), (2619, 8386651), (2691, 8162259), (3783, 5806143), (4007, 5481567), (4347, 5052827), (6111, 3594279), (6279, 3498111), (6693, 3281733), (8073, 2720753), (8827, 2488347), (11349, 1935381), (12021, 1827189), (15617, 1406457), (18333, 1198093), (18837, 1166037), (20079, 1093911), (26481, 829449), (28049, 783081), (29003, 757323), (34047, 645127), (36063, 609063), (46851, 468819), (52091, 421659), (56511, 388679), (60237, 364637), (79443, 276483), (84147, 261027), (87009, 252441), (92161, 238329), (108189, 203021), (140553, 156273)]