21166992

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:138

約数の個数: 240

約数和(自身を含む): 77995008

約数和(自身を除く): 56828016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 23, 24, 28, 33, 36, 42, 44, 46, 48, 56, 63, 66, 69, 72, 77, 83, 84, 88, 92, 99, 112, 126, 132, 138, 144, 154, 161, 166, 168, 176, 184, 198, 207, 231, 249, 252, 253, 264, 276, 308, 322, 332, 336, 368, 396, 414, 462, 483, 498, 504, 506, 528, 552, 581, 616, 644, 664, 693, 747, 759, 792, 828, 913, 924, 966, 996, 1008, 1012, 1104, 1162, 1232, 1288, 1328, 1386, 1449, 1494, 1518, 1584, 1656, 1743, 1771, 1826, 1848, 1909, 1932, 1992, 2024, 2277, 2324, 2576, 2739, 2772, 2898, 2988, 3036, 3312, 3486, 3542, 3652, 3696, 3818, 3864, 3984, 4048, 4554, 4648, 5229, 5313, 5478, 5544, 5727, 5796, 5976, 6072, 6391, 6972, 7084, 7304, 7636, 7728, 8217, 9108, 9296, 10458, 10626, 10956, 11088, 11454, 11592, 11952, 12144, 12782, 13363, 13944, 14168, 14608, 15272, 15939, 16434, 17181, 18216, 19173, 20916, 20999, 21252, 21912, 22908, 23184, 25564, 26726, 27888, 28336, 30544, 31878, 32868, 34362, 36432, 38346, 40089, 41832, 41998, 42504, 43824, 45816, 51128, 53452, 57519, 62997, 63756, 65736, 68724, 76692, 80178, 83664, 83996, 85008, 91632, 102256, 106904, 115038, 120267, 125994, 127512, 131472, 137448, 146993, 153384, 160356, 167992, 188991, 213808, 230076, 240534, 251988, 255024, 274896, 293986, 306768, 320712, 335984, 377982, 440979, 460152, 481068, 503976, 587972, 641424, 755964, 881958, 920304, 962136, 1007952, 1175944, 1322937, 1511928, 1763916, 1924272, 2351888, 2645874, 3023856, 3527832, 5291748, 7055664, 10583496, 21166992]

約数ペア:

[(1, 21166992), (2, 10583496), (3, 7055664), (4, 5291748), (6, 3527832), (7, 3023856), (8, 2645874), (9, 2351888), (11, 1924272), (12, 1763916), (14, 1511928), (16, 1322937), (18, 1175944), (21, 1007952), (22, 962136), (23, 920304), (24, 881958), (28, 755964), (33, 641424), (36, 587972), (42, 503976), (44, 481068), (46, 460152), (48, 440979), (56, 377982), (63, 335984), (66, 320712), (69, 306768), (72, 293986), (77, 274896), (83, 255024), (84, 251988), (88, 240534), (92, 230076), (99, 213808), (112, 188991), (126, 167992), (132, 160356), (138, 153384), (144, 146993), (154, 137448), (161, 131472), (166, 127512), (168, 125994), (176, 120267), (184, 115038), (198, 106904), (207, 102256), (231, 91632), (249, 85008), (252, 83996), (253, 83664), (264, 80178), (276, 76692), (308, 68724), (322, 65736), (332, 63756), (336, 62997), (368, 57519), (396, 53452), (414, 51128), (462, 45816), (483, 43824), (498, 42504), (504, 41998), (506, 41832), (528, 40089), (552, 38346), (581, 36432), (616, 34362), (644, 32868), (664, 31878), (693, 30544), (747, 28336), (759, 27888), (792, 26726), (828, 25564), (913, 23184), (924, 22908), (966, 21912), (996, 21252), (1008, 20999), (1012, 20916), (1104, 19173), (1162, 18216), (1232, 17181), (1288, 16434), (1328, 15939), (1386, 15272), (1449, 14608), (1494, 14168), (1518, 13944), (1584, 13363), (1656, 12782), (1743, 12144), (1771, 11952), (1826, 11592), (1848, 11454), (1909, 11088), (1932, 10956), (1992, 10626), (2024, 10458), (2277, 9296), (2324, 9108), (2576, 8217), (2739, 7728), (2772, 7636), (2898, 7304), (2988, 7084), (3036, 6972), (3312, 6391), (3486, 6072), (3542, 5976), (3652, 5796), (3696, 5727), (3818, 5544), (3864, 5478), (3984, 5313), (4048, 5229), (4554, 4648)]