21724416

素因数分解:

$2^8\times 3^3\times 7^1\times {\mathrm{449}}^1$

素因数の和:481

約数の個数: 144

約数和(自身を含む): 73584000

約数和(自身を除く): 51859584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 128, 144, 168, 189, 192, 216, 224, 252, 256, 288, 336, 378, 384, 432, 448, 449, 504, 576, 672, 756, 768, 864, 896, 898, 1008, 1152, 1344, 1347, 1512, 1728, 1792, 1796, 2016, 2304, 2688, 2694, 3024, 3143, 3456, 3592, 4032, 4041, 5376, 5388, 6048, 6286, 6912, 7184, 8064, 8082, 9429, 10776, 12096, 12123, 12572, 14368, 16128, 16164, 18858, 21552, 24192, 24246, 25144, 28287, 28736, 32328, 37716, 43104, 48384, 48492, 50288, 56574, 57472, 64656, 75432, 84861, 86208, 96984, 100576, 113148, 114944, 129312, 150864, 169722, 172416, 193968, 201152, 226296, 258624, 301728, 339444, 344832, 387936, 402304, 452592, 517248, 603456, 678888, 775872, 804608, 905184, 1034496, 1206912, 1357776, 1551744, 1810368, 2413824, 2715552, 3103488, 3620736, 5431104, 7241472, 10862208, 21724416]

約数ペア:

[(1, 21724416), (2, 10862208), (3, 7241472), (4, 5431104), (6, 3620736), (7, 3103488), (8, 2715552), (9, 2413824), (12, 1810368), (14, 1551744), (16, 1357776), (18, 1206912), (21, 1034496), (24, 905184), (27, 804608), (28, 775872), (32, 678888), (36, 603456), (42, 517248), (48, 452592), (54, 402304), (56, 387936), (63, 344832), (64, 339444), (72, 301728), (84, 258624), (96, 226296), (108, 201152), (112, 193968), (126, 172416), (128, 169722), (144, 150864), (168, 129312), (189, 114944), (192, 113148), (216, 100576), (224, 96984), (252, 86208), (256, 84861), (288, 75432), (336, 64656), (378, 57472), (384, 56574), (432, 50288), (448, 48492), (449, 48384), (504, 43104), (576, 37716), (672, 32328), (756, 28736), (768, 28287), (864, 25144), (896, 24246), (898, 24192), (1008, 21552), (1152, 18858), (1344, 16164), (1347, 16128), (1512, 14368), (1728, 12572), (1792, 12123), (1796, 12096), (2016, 10776), (2304, 9429), (2688, 8082), (2694, 8064), (3024, 7184), (3143, 6912), (3456, 6286), (3592, 6048), (4032, 5388), (4041, 5376)]