21296478

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4261}}^1$

素因数の和:4297

約数の個数: 48

約数和(自身を含む): 52473744

約数和(自身を除く): 31177266

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 238, 294, 357, 714, 833, 1666, 2499, 4261, 4998, 8522, 12783, 25566, 29827, 59654, 72437, 89481, 144874, 178962, 208789, 217311, 417578, 434622, 507059, 626367, 1014118, 1252734, 1521177, 3042354, 3549413, 7098826, 10648239, 21296478]

約数ペア:

[(1, 21296478), (2, 10648239), (3, 7098826), (6, 3549413), (7, 3042354), (14, 1521177), (17, 1252734), (21, 1014118), (34, 626367), (42, 507059), (49, 434622), (51, 417578), (98, 217311), (102, 208789), (119, 178962), (147, 144874), (238, 89481), (294, 72437), (357, 59654), (714, 29827), (833, 25566), (1666, 12783), (2499, 8522), (4261, 4998)]