21286872

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{7211}}^1$

素因数の和:7264

約数の個数: 48

約数和(自身を含む): 59066280

約数和(自身を除く): 37779408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 72, 82, 123, 164, 246, 328, 369, 492, 738, 984, 1476, 2952, 7211, 14422, 21633, 28844, 43266, 57688, 64899, 86532, 129798, 173064, 259596, 295651, 519192, 591302, 886953, 1182604, 1773906, 2365208, 2660859, 3547812, 5321718, 7095624, 10643436, 21286872]

約数ペア:

[(1, 21286872), (2, 10643436), (3, 7095624), (4, 5321718), (6, 3547812), (8, 2660859), (9, 2365208), (12, 1773906), (18, 1182604), (24, 886953), (36, 591302), (41, 519192), (72, 295651), (82, 259596), (123, 173064), (164, 129798), (246, 86532), (328, 64899), (369, 57688), (492, 43266), (738, 28844), (984, 21633), (1476, 14422), (2952, 7211)]