21518784

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{593}}^1$

素因数の和:624

約数の個数: 140

約数和(自身を含む): 73023984

約数和(自身を除く): 51505200

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, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 192, 216, 224, 252, 288, 324, 336, 378, 432, 448, 504, 567, 576, 593, 648, 672, 756, 864, 1008, 1134, 1186, 1296, 1344, 1512, 1728, 1779, 2016, 2268, 2372, 2592, 3024, 3558, 4032, 4151, 4536, 4744, 5184, 5337, 6048, 7116, 8302, 9072, 9488, 10674, 12096, 12453, 14232, 16011, 16604, 18144, 18976, 21348, 24906, 28464, 32022, 33208, 36288, 37359, 37952, 42696, 48033, 49812, 56928, 64044, 66416, 74718, 85392, 96066, 99624, 112077, 113856, 128088, 132832, 149436, 170784, 192132, 199248, 224154, 256176, 265664, 298872, 336231, 341568, 384264, 398496, 448308, 512352, 597744, 672462, 768528, 796992, 896616, 1024704, 1195488, 1344924, 1537056, 1793232, 2390976, 2689848, 3074112, 3586464, 5379696, 7172928, 10759392, 21518784]

約数ペア:

[(1, 21518784), (2, 10759392), (3, 7172928), (4, 5379696), (6, 3586464), (7, 3074112), (8, 2689848), (9, 2390976), (12, 1793232), (14, 1537056), (16, 1344924), (18, 1195488), (21, 1024704), (24, 896616), (27, 796992), (28, 768528), (32, 672462), (36, 597744), (42, 512352), (48, 448308), (54, 398496), (56, 384264), (63, 341568), (64, 336231), (72, 298872), (81, 265664), (84, 256176), (96, 224154), (108, 199248), (112, 192132), (126, 170784), (144, 149436), (162, 132832), (168, 128088), (189, 113856), (192, 112077), (216, 99624), (224, 96066), (252, 85392), (288, 74718), (324, 66416), (336, 64044), (378, 56928), (432, 49812), (448, 48033), (504, 42696), (567, 37952), (576, 37359), (593, 36288), (648, 33208), (672, 32022), (756, 28464), (864, 24906), (1008, 21348), (1134, 18976), (1186, 18144), (1296, 16604), (1344, 16011), (1512, 14232), (1728, 12453), (1779, 12096), (2016, 10674), (2268, 9488), (2372, 9072), (2592, 8302), (3024, 7116), (3558, 6048), (4032, 5337), (4151, 5184), (4536, 4744)]