21056550064

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{26759}}^1$

素因数の和:27058

約数の個数: 80

約数和(自身を含む): 47304829440

約数和(自身を除く): 26248279376

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 263, 272, 374, 526, 748, 1052, 1496, 2104, 2893, 2992, 4208, 4471, 5786, 8942, 11572, 17884, 23144, 26759, 35768, 46288, 49181, 53518, 71536, 98362, 107036, 196724, 214072, 294349, 393448, 428144, 454903, 588698, 786896, 909806, 1177396, 1819612, 2354792, 3639224, 4709584, 5003933, 7037617, 7278448, 10007866, 14075234, 20015732, 28150468, 40031464, 56300936, 77413787, 80062928, 112601872, 119639489, 154827574, 239278978, 309655148, 478557956, 619310296, 957115912, 1238620592, 1316034379, 1914231824, 2632068758, 5264137516, 10528275032, 21056550064]

約数ペア:

[(1, 21056550064), (2, 10528275032), (4, 5264137516), (8, 2632068758), (11, 1914231824), (16, 1316034379), (17, 1238620592), (22, 957115912), (34, 619310296), (44, 478557956), (68, 309655148), (88, 239278978), (136, 154827574), (176, 119639489), (187, 112601872), (263, 80062928), (272, 77413787), (374, 56300936), (526, 40031464), (748, 28150468), (1052, 20015732), (1496, 14075234), (2104, 10007866), (2893, 7278448), (2992, 7037617), (4208, 5003933), (4471, 4709584), (5786, 3639224), (8942, 2354792), (11572, 1819612), (17884, 1177396), (23144, 909806), (26759, 786896), (35768, 588698), (46288, 454903), (49181, 428144), (53518, 393448), (71536, 294349), (98362, 214072), (107036, 196724)]