1621175976

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{19979}}^1$

素因数の和:20028

約数の個数: 144

約数和(自身を含む): 5329864800

約数和(自身を除く): 3708688824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 36, 42, 46, 49, 56, 63, 69, 72, 84, 92, 98, 126, 138, 147, 161, 168, 184, 196, 207, 252, 276, 294, 322, 392, 414, 441, 483, 504, 552, 588, 644, 828, 882, 966, 1127, 1176, 1288, 1449, 1656, 1764, 1932, 2254, 2898, 3381, 3528, 3864, 4508, 5796, 6762, 9016, 10143, 11592, 13524, 19979, 20286, 27048, 39958, 40572, 59937, 79916, 81144, 119874, 139853, 159832, 179811, 239748, 279706, 359622, 419559, 459517, 479496, 559412, 719244, 839118, 919034, 978971, 1118824, 1258677, 1378551, 1438488, 1678236, 1838068, 1957942, 2517354, 2757102, 2936913, 3216619, 3356472, 3676136, 3915884, 4135653, 5034708, 5514204, 5873826, 6433238, 7831768, 8271306, 8810739, 9649857, 10069416, 11028408, 11747652, 12866476, 16542612, 17621478, 19299714, 22516333, 23495304, 25732952, 28949571, 33085224, 35242956, 38599428, 45032666, 57899142, 67548999, 70485912, 77198856, 90065332, 115798284, 135097998, 180130664, 202646997, 231596568, 270195996, 405293994, 540391992, 810587988, 1621175976]

約数ペア:

[(1, 1621175976), (2, 810587988), (3, 540391992), (4, 405293994), (6, 270195996), (7, 231596568), (8, 202646997), (9, 180130664), (12, 135097998), (14, 115798284), (18, 90065332), (21, 77198856), (23, 70485912), (24, 67548999), (28, 57899142), (36, 45032666), (42, 38599428), (46, 35242956), (49, 33085224), (56, 28949571), (63, 25732952), (69, 23495304), (72, 22516333), (84, 19299714), (92, 17621478), (98, 16542612), (126, 12866476), (138, 11747652), (147, 11028408), (161, 10069416), (168, 9649857), (184, 8810739), (196, 8271306), (207, 7831768), (252, 6433238), (276, 5873826), (294, 5514204), (322, 5034708), (392, 4135653), (414, 3915884), (441, 3676136), (483, 3356472), (504, 3216619), (552, 2936913), (588, 2757102), (644, 2517354), (828, 1957942), (882, 1838068), (966, 1678236), (1127, 1438488), (1176, 1378551), (1288, 1258677), (1449, 1118824), (1656, 978971), (1764, 919034), (1932, 839118), (2254, 719244), (2898, 559412), (3381, 479496), (3528, 459517), (3864, 419559), (4508, 359622), (5796, 279706), (6762, 239748), (9016, 179811), (10143, 159832), (11592, 139853), (13524, 119874), (19979, 81144), (20286, 79916), (27048, 59937), (39958, 40572)]