21267456

素因数分解:

$2^{10}\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:96

約数の個数: 176

約数和(自身を含む): 69172224

約数和(自身を除く): 47904768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 43, 46, 48, 56, 64, 69, 84, 86, 92, 96, 112, 128, 129, 138, 161, 168, 172, 184, 192, 224, 256, 258, 276, 301, 322, 336, 344, 368, 384, 448, 483, 512, 516, 552, 602, 644, 672, 688, 736, 768, 896, 903, 966, 989, 1024, 1032, 1104, 1204, 1288, 1344, 1376, 1472, 1536, 1792, 1806, 1932, 1978, 2064, 2208, 2408, 2576, 2688, 2752, 2944, 2967, 3072, 3584, 3612, 3864, 3956, 4128, 4416, 4816, 5152, 5376, 5504, 5888, 5934, 6923, 7168, 7224, 7728, 7912, 8256, 8832, 9632, 10304, 10752, 11008, 11776, 11868, 13846, 14448, 15456, 15824, 16512, 17664, 19264, 20608, 20769, 21504, 22016, 23552, 23736, 27692, 28896, 30912, 31648, 33024, 35328, 38528, 41216, 41538, 44032, 47472, 55384, 57792, 61824, 63296, 66048, 70656, 77056, 82432, 83076, 94944, 110768, 115584, 123648, 126592, 132096, 154112, 164864, 166152, 189888, 221536, 231168, 247296, 253184, 308224, 332304, 379776, 443072, 462336, 494592, 506368, 664608, 759552, 886144, 924672, 1012736, 1329216, 1519104, 1772288, 2658432, 3038208, 3544576, 5316864, 7089152, 10633728, 21267456]

約数ペア:

[(1, 21267456), (2, 10633728), (3, 7089152), (4, 5316864), (6, 3544576), (7, 3038208), (8, 2658432), (12, 1772288), (14, 1519104), (16, 1329216), (21, 1012736), (23, 924672), (24, 886144), (28, 759552), (32, 664608), (42, 506368), (43, 494592), (46, 462336), (48, 443072), (56, 379776), (64, 332304), (69, 308224), (84, 253184), (86, 247296), (92, 231168), (96, 221536), (112, 189888), (128, 166152), (129, 164864), (138, 154112), (161, 132096), (168, 126592), (172, 123648), (184, 115584), (192, 110768), (224, 94944), (256, 83076), (258, 82432), (276, 77056), (301, 70656), (322, 66048), (336, 63296), (344, 61824), (368, 57792), (384, 55384), (448, 47472), (483, 44032), (512, 41538), (516, 41216), (552, 38528), (602, 35328), (644, 33024), (672, 31648), (688, 30912), (736, 28896), (768, 27692), (896, 23736), (903, 23552), (966, 22016), (989, 21504), (1024, 20769), (1032, 20608), (1104, 19264), (1204, 17664), (1288, 16512), (1344, 15824), (1376, 15456), (1472, 14448), (1536, 13846), (1792, 11868), (1806, 11776), (1932, 11008), (1978, 10752), (2064, 10304), (2208, 9632), (2408, 8832), (2576, 8256), (2688, 7912), (2752, 7728), (2944, 7224), (2967, 7168), (3072, 6923), (3584, 5934), (3612, 5888), (3864, 5504), (3956, 5376), (4128, 5152), (4416, 4816)]