21865514301

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{2819}}^1\times {\mathrm{3089}}^1$

素因数の和:5951

約数の個数: 40

約数和(自身を含む): 33739833600

約数和(自身を除く): 11874319299

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 2819, 3089, 8457, 9267, 25371, 27801, 76113, 83403, 87389, 95759, 228339, 250209, 262167, 287277, 786501, 861831, 2359503, 2585493, 7078509, 7756479, 8707891, 26123673, 78371019, 235113057, 269944621, 705339171, 809833863, 2429501589, 7288504767, 21865514301]

約数ペア:

[(1, 21865514301), (3, 7288504767), (9, 2429501589), (27, 809833863), (31, 705339171), (81, 269944621), (93, 235113057), (279, 78371019), (837, 26123673), (2511, 8707891), (2819, 7756479), (3089, 7078509), (8457, 2585493), (9267, 2359503), (25371, 861831), (27801, 786501), (76113, 287277), (83403, 262167), (87389, 250209), (95759, 228339)]