21906522

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 55351296

約数和(自身を除く): 33444774

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 43, 62, 66, 83, 86, 93, 99, 129, 166, 186, 198, 249, 258, 279, 341, 387, 473, 498, 558, 682, 747, 774, 913, 946, 1023, 1333, 1419, 1494, 1826, 2046, 2573, 2666, 2739, 2838, 3069, 3569, 3999, 4257, 5146, 5478, 6138, 7138, 7719, 7998, 8217, 8514, 10707, 11997, 14663, 15438, 16434, 21414, 23157, 23994, 28303, 29326, 32121, 39259, 43989, 46314, 56606, 64242, 78518, 84909, 87978, 110639, 117777, 131967, 169818, 221278, 235554, 254727, 263934, 331917, 353331, 509454, 663834, 706662, 995751, 1217029, 1991502, 2434058, 3651087, 7302174, 10953261, 21906522]

約数ペア:

[(1, 21906522), (2, 10953261), (3, 7302174), (6, 3651087), (9, 2434058), (11, 1991502), (18, 1217029), (22, 995751), (31, 706662), (33, 663834), (43, 509454), (62, 353331), (66, 331917), (83, 263934), (86, 254727), (93, 235554), (99, 221278), (129, 169818), (166, 131967), (186, 117777), (198, 110639), (249, 87978), (258, 84909), (279, 78518), (341, 64242), (387, 56606), (473, 46314), (498, 43989), (558, 39259), (682, 32121), (747, 29326), (774, 28303), (913, 23994), (946, 23157), (1023, 21414), (1333, 16434), (1419, 15438), (1494, 14663), (1826, 11997), (2046, 10707), (2573, 8514), (2666, 8217), (2739, 7998), (2838, 7719), (3069, 7138), (3569, 6138), (3999, 5478), (4257, 5146)]