21250944

素因数分解:

$2^7\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 256

約数和(自身を含む): 75398400

約数和(自身を除く): 54147456

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 27, 32, 33, 36, 39, 43, 44, 48, 52, 54, 64, 66, 72, 78, 86, 88, 96, 99, 104, 108, 117, 128, 129, 132, 143, 144, 156, 172, 176, 192, 198, 208, 216, 234, 258, 264, 286, 288, 297, 312, 344, 351, 352, 384, 387, 396, 416, 429, 432, 468, 473, 516, 528, 559, 572, 576, 594, 624, 688, 702, 704, 774, 792, 832, 858, 864, 936, 946, 1032, 1056, 1118, 1144, 1152, 1161, 1188, 1248, 1287, 1376, 1404, 1408, 1419, 1548, 1584, 1664, 1677, 1716, 1728, 1872, 1892, 2064, 2112, 2236, 2288, 2322, 2376, 2496, 2574, 2752, 2808, 2838, 3096, 3168, 3354, 3432, 3456, 3744, 3784, 3861, 4128, 4224, 4257, 4472, 4576, 4644, 4752, 4992, 5031, 5148, 5504, 5616, 5676, 6149, 6192, 6336, 6708, 6864, 7488, 7568, 7722, 8256, 8514, 8944, 9152, 9288, 9504, 10062, 10296, 11232, 11352, 12298, 12384, 12672, 12771, 13416, 13728, 14976, 15093, 15136, 15444, 16512, 17028, 17888, 18304, 18447, 18576, 19008, 20124, 20592, 22464, 22704, 24596, 24768, 25542, 26832, 27456, 30186, 30272, 30888, 34056, 35776, 36894, 37152, 38016, 40248, 41184, 44928, 45408, 49192, 49536, 51084, 53664, 54912, 55341, 60372, 60544, 61776, 68112, 71552, 73788, 74304, 80496, 82368, 90816, 98384, 102168, 107328, 110682, 120744, 123552, 136224, 147576, 148608, 160992, 164736, 166023, 181632, 196768, 204336, 214656, 221364, 241488, 247104, 272448, 295152, 321984, 332046, 393536, 408672, 442728, 482976, 494208, 544896, 590304, 643968, 664092, 787072, 817344, 885456, 965952, 1180608, 1328184, 1634688, 1770912, 1931904, 2361216, 2656368, 3541824, 5312736, 7083648, 10625472, 21250944]

約数ペア:

[(1, 21250944), (2, 10625472), (3, 7083648), (4, 5312736), (6, 3541824), (8, 2656368), (9, 2361216), (11, 1931904), (12, 1770912), (13, 1634688), (16, 1328184), (18, 1180608), (22, 965952), (24, 885456), (26, 817344), (27, 787072), (32, 664092), (33, 643968), (36, 590304), (39, 544896), (43, 494208), (44, 482976), (48, 442728), (52, 408672), (54, 393536), (64, 332046), (66, 321984), (72, 295152), (78, 272448), (86, 247104), (88, 241488), (96, 221364), (99, 214656), (104, 204336), (108, 196768), (117, 181632), (128, 166023), (129, 164736), (132, 160992), (143, 148608), (144, 147576), (156, 136224), (172, 123552), (176, 120744), (192, 110682), (198, 107328), (208, 102168), (216, 98384), (234, 90816), (258, 82368), (264, 80496), (286, 74304), (288, 73788), (297, 71552), (312, 68112), (344, 61776), (351, 60544), (352, 60372), (384, 55341), (387, 54912), (396, 53664), (416, 51084), (429, 49536), (432, 49192), (468, 45408), (473, 44928), (516, 41184), (528, 40248), (559, 38016), (572, 37152), (576, 36894), (594, 35776), (624, 34056), (688, 30888), (702, 30272), (704, 30186), (774, 27456), (792, 26832), (832, 25542), (858, 24768), (864, 24596), (936, 22704), (946, 22464), (1032, 20592), (1056, 20124), (1118, 19008), (1144, 18576), (1152, 18447), (1161, 18304), (1188, 17888), (1248, 17028), (1287, 16512), (1376, 15444), (1404, 15136), (1408, 15093), (1419, 14976), (1548, 13728), (1584, 13416), (1664, 12771), (1677, 12672), (1716, 12384), (1728, 12298), (1872, 11352), (1892, 11232), (2064, 10296), (2112, 10062), (2236, 9504), (2288, 9288), (2322, 9152), (2376, 8944), (2496, 8514), (2574, 8256), (2752, 7722), (2808, 7568), (2838, 7488), (3096, 6864), (3168, 6708), (3354, 6336), (3432, 6192), (3456, 6149), (3744, 5676), (3784, 5616), (3861, 5504), (4128, 5148), (4224, 5031), (4257, 4992), (4472, 4752), (4576, 4644)]