21000366272

素因数分解:

$2^6\times {\mathrm{523}}^1\times {\mathrm{727}}^1\times {\mathrm{863}}^1$

素因数の和:2125

約数の個数: 56

約数和(自身を含む): 41858159616

約数和(自身を除く): 20857793344

約数列:

[1, 2, 4, 8, 16, 32, 64, 523, 727, 863, 1046, 1454, 1726, 2092, 2908, 3452, 4184, 5816, 6904, 8368, 11632, 13808, 16736, 23264, 27616, 33472, 46528, 55232, 380221, 451349, 627401, 760442, 902698, 1254802, 1520884, 1805396, 2509604, 3041768, 3610792, 5019208, 6083536, 7221584, 10038416, 12167072, 14443168, 20076832, 24334144, 28886336, 40153664, 328130723, 656261446, 1312522892, 2625045784, 5250091568, 10500183136, 21000366272]

約数ペア:

[(1, 21000366272), (2, 10500183136), (4, 5250091568), (8, 2625045784), (16, 1312522892), (32, 656261446), (64, 328130723), (523, 40153664), (727, 28886336), (863, 24334144), (1046, 20076832), (1454, 14443168), (1726, 12167072), (2092, 10038416), (2908, 7221584), (3452, 6083536), (4184, 5019208), (5816, 3610792), (6904, 3041768), (8368, 2509604), (11632, 1805396), (13808, 1520884), (16736, 1254802), (23264, 902698), (27616, 760442), (33472, 627401), (46528, 451349), (55232, 380221)]