21245952

素因数分解:

$2^{12}\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:66

約数の個数: 208

約数和(自身を含む): 73391360

約数和(自身を除く): 52145408

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 19, 21, 24, 26, 28, 32, 38, 39, 42, 48, 52, 56, 57, 64, 76, 78, 84, 91, 96, 104, 112, 114, 128, 133, 152, 156, 168, 182, 192, 208, 224, 228, 247, 256, 266, 273, 304, 312, 336, 364, 384, 399, 416, 448, 456, 494, 512, 532, 546, 608, 624, 672, 728, 741, 768, 798, 832, 896, 912, 988, 1024, 1064, 1092, 1216, 1248, 1344, 1456, 1482, 1536, 1596, 1664, 1729, 1792, 1824, 1976, 2048, 2128, 2184, 2432, 2496, 2688, 2912, 2964, 3072, 3192, 3328, 3458, 3584, 3648, 3952, 4096, 4256, 4368, 4864, 4992, 5187, 5376, 5824, 5928, 6144, 6384, 6656, 6916, 7168, 7296, 7904, 8512, 8736, 9728, 9984, 10374, 10752, 11648, 11856, 12288, 12768, 13312, 13832, 14336, 14592, 15808, 17024, 17472, 19456, 19968, 20748, 21504, 23296, 23712, 25536, 26624, 27664, 28672, 29184, 31616, 34048, 34944, 38912, 39936, 41496, 43008, 46592, 47424, 51072, 53248, 55328, 58368, 63232, 68096, 69888, 77824, 79872, 82992, 86016, 93184, 94848, 102144, 110656, 116736, 126464, 136192, 139776, 159744, 165984, 186368, 189696, 204288, 221312, 233472, 252928, 272384, 279552, 331968, 372736, 379392, 408576, 442624, 505856, 544768, 559104, 663936, 758784, 817152, 885248, 1011712, 1118208, 1327872, 1517568, 1634304, 1770496, 2655744, 3035136, 3540992, 5311488, 7081984, 10622976, 21245952]

約数ペア:

[(1, 21245952), (2, 10622976), (3, 7081984), (4, 5311488), (6, 3540992), (7, 3035136), (8, 2655744), (12, 1770496), (13, 1634304), (14, 1517568), (16, 1327872), (19, 1118208), (21, 1011712), (24, 885248), (26, 817152), (28, 758784), (32, 663936), (38, 559104), (39, 544768), (42, 505856), (48, 442624), (52, 408576), (56, 379392), (57, 372736), (64, 331968), (76, 279552), (78, 272384), (84, 252928), (91, 233472), (96, 221312), (104, 204288), (112, 189696), (114, 186368), (128, 165984), (133, 159744), (152, 139776), (156, 136192), (168, 126464), (182, 116736), (192, 110656), (208, 102144), (224, 94848), (228, 93184), (247, 86016), (256, 82992), (266, 79872), (273, 77824), (304, 69888), (312, 68096), (336, 63232), (364, 58368), (384, 55328), (399, 53248), (416, 51072), (448, 47424), (456, 46592), (494, 43008), (512, 41496), (532, 39936), (546, 38912), (608, 34944), (624, 34048), (672, 31616), (728, 29184), (741, 28672), (768, 27664), (798, 26624), (832, 25536), (896, 23712), (912, 23296), (988, 21504), (1024, 20748), (1064, 19968), (1092, 19456), (1216, 17472), (1248, 17024), (1344, 15808), (1456, 14592), (1482, 14336), (1536, 13832), (1596, 13312), (1664, 12768), (1729, 12288), (1792, 11856), (1824, 11648), (1976, 10752), (2048, 10374), (2128, 9984), (2184, 9728), (2432, 8736), (2496, 8512), (2688, 7904), (2912, 7296), (2964, 7168), (3072, 6916), (3192, 6656), (3328, 6384), (3458, 6144), (3584, 5928), (3648, 5824), (3952, 5376), (4096, 5187), (4256, 4992), (4368, 4864)]