21215678976

素因数分解:

$2^9\times 3^3\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:408

約数の個数: 320

約数和(自身を含む): 64643779200

約数和(自身を除く): 43428100224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 61, 64, 72, 96, 108, 122, 128, 139, 144, 181, 183, 192, 216, 244, 256, 278, 288, 362, 366, 384, 417, 432, 488, 512, 543, 549, 556, 576, 724, 732, 768, 834, 864, 976, 1086, 1098, 1112, 1152, 1251, 1448, 1464, 1536, 1629, 1647, 1668, 1728, 1952, 2172, 2196, 2224, 2304, 2502, 2896, 2928, 3258, 3294, 3336, 3456, 3753, 3904, 4344, 4392, 4448, 4608, 4887, 5004, 5792, 5856, 6516, 6588, 6672, 6912, 7506, 7808, 8479, 8688, 8784, 8896, 9774, 10008, 11041, 11584, 11712, 13032, 13176, 13344, 13824, 15012, 15616, 16958, 17376, 17568, 17792, 19548, 20016, 22082, 23168, 23424, 25159, 25437, 26064, 26352, 26688, 30024, 31232, 33123, 33916, 34752, 35136, 35584, 39096, 40032, 44164, 46336, 46848, 50318, 50874, 52128, 52704, 53376, 60048, 66246, 67832, 69504, 70272, 71168, 75477, 76311, 78192, 80064, 88328, 92672, 93696, 99369, 100636, 101748, 104256, 105408, 106752, 120096, 132492, 135664, 139008, 140544, 150954, 152622, 156384, 160128, 176656, 198738, 201272, 203496, 208512, 210816, 213504, 226431, 228933, 240192, 264984, 271328, 278016, 281088, 298107, 301908, 305244, 312768, 320256, 353312, 397476, 402544, 406992, 417024, 421632, 452862, 457866, 480384, 529968, 542656, 596214, 603816, 610488, 625536, 640512, 679293, 706624, 794952, 805088, 813984, 834048, 843264, 905724, 915732, 960768, 1059936, 1085312, 1192428, 1207632, 1220976, 1251072, 1358586, 1413248, 1534699, 1589904, 1610176, 1627968, 1811448, 1831464, 1921536, 2119872, 2170624, 2384856, 2415264, 2441952, 2502144, 2717172, 2826496, 3069398, 3179808, 3220352, 3255936, 3622896, 3662928, 4239744, 4341248, 4604097, 4769712, 4830528, 4883904, 5434344, 5652992, 6138796, 6359616, 6440704, 6511872, 7245792, 7325856, 8479488, 9208194, 9539424, 9661056, 9767808, 10868688, 12277592, 12719232, 12881408, 13023744, 13812291, 14491584, 14651712, 16958976, 18416388, 19078848, 19322112, 19535616, 21737376, 24555184, 25438464, 27624582, 28983168, 29303424, 36832776, 38157696, 38644224, 39071232, 41436873, 43474752, 49110368, 50876928, 55249164, 57966336, 58606848, 73665552, 76315392, 82873746, 86949504, 98220736, 110498328, 115932672, 117213696, 147331104, 152630784, 165747492, 173899008, 196441472, 220996656, 294662208, 331494984, 347798016, 392882944, 441993312, 589324416, 662989968, 785765888, 883986624, 1178648832, 1325979936, 1767973248, 2357297664, 2651959872, 3535946496, 5303919744, 7071892992, 10607839488, 21215678976]

約数ペア:

[(1, 21215678976), (2, 10607839488), (3, 7071892992), (4, 5303919744), (6, 3535946496), (8, 2651959872), (9, 2357297664), (12, 1767973248), (16, 1325979936), (18, 1178648832), (24, 883986624), (27, 785765888), (32, 662989968), (36, 589324416), (48, 441993312), (54, 392882944), (61, 347798016), (64, 331494984), (72, 294662208), (96, 220996656), (108, 196441472), (122, 173899008), (128, 165747492), (139, 152630784), (144, 147331104), (181, 117213696), (183, 115932672), (192, 110498328), (216, 98220736), (244, 86949504), (256, 82873746), (278, 76315392), (288, 73665552), (362, 58606848), (366, 57966336), (384, 55249164), (417, 50876928), (432, 49110368), (488, 43474752), (512, 41436873), (543, 39071232), (549, 38644224), (556, 38157696), (576, 36832776), (724, 29303424), (732, 28983168), (768, 27624582), (834, 25438464), (864, 24555184), (976, 21737376), (1086, 19535616), (1098, 19322112), (1112, 19078848), (1152, 18416388), (1251, 16958976), (1448, 14651712), (1464, 14491584), (1536, 13812291), (1629, 13023744), (1647, 12881408), (1668, 12719232), (1728, 12277592), (1952, 10868688), (2172, 9767808), (2196, 9661056), (2224, 9539424), (2304, 9208194), (2502, 8479488), (2896, 7325856), (2928, 7245792), (3258, 6511872), (3294, 6440704), (3336, 6359616), (3456, 6138796), (3753, 5652992), (3904, 5434344), (4344, 4883904), (4392, 4830528), (4448, 4769712), (4608, 4604097), (4887, 4341248), (5004, 4239744), (5792, 3662928), (5856, 3622896), (6516, 3255936), (6588, 3220352), (6672, 3179808), (6912, 3069398), (7506, 2826496), (7808, 2717172), (8479, 2502144), (8688, 2441952), (8784, 2415264), (8896, 2384856), (9774, 2170624), (10008, 2119872), (11041, 1921536), (11584, 1831464), (11712, 1811448), (13032, 1627968), (13176, 1610176), (13344, 1589904), (13824, 1534699), (15012, 1413248), (15616, 1358586), (16958, 1251072), (17376, 1220976), (17568, 1207632), (17792, 1192428), (19548, 1085312), (20016, 1059936), (22082, 960768), (23168, 915732), (23424, 905724), (25159, 843264), (25437, 834048), (26064, 813984), (26352, 805088), (26688, 794952), (30024, 706624), (31232, 679293), (33123, 640512), (33916, 625536), (34752, 610488), (35136, 603816), (35584, 596214), (39096, 542656), (40032, 529968), (44164, 480384), (46336, 457866), (46848, 452862), (50318, 421632), (50874, 417024), (52128, 406992), (52704, 402544), (53376, 397476), (60048, 353312), (66246, 320256), (67832, 312768), (69504, 305244), (70272, 301908), (71168, 298107), (75477, 281088), (76311, 278016), (78192, 271328), (80064, 264984), (88328, 240192), (92672, 228933), (93696, 226431), (99369, 213504), (100636, 210816), (101748, 208512), (104256, 203496), (105408, 201272), (106752, 198738), (120096, 176656), (132492, 160128), (135664, 156384), (139008, 152622), (140544, 150954)]