21343168

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 112

約数和(自身を含む): 54425088

約数和(自身を除く): 33081920

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 61, 64, 71, 77, 88, 112, 122, 142, 154, 176, 224, 244, 284, 308, 352, 427, 448, 488, 497, 568, 616, 671, 704, 781, 854, 976, 994, 1136, 1232, 1342, 1562, 1708, 1952, 1988, 2272, 2464, 2684, 3124, 3416, 3904, 3976, 4331, 4544, 4697, 4928, 5368, 5467, 6248, 6832, 7952, 8662, 9394, 10736, 10934, 12496, 13664, 15904, 17324, 18788, 21472, 21868, 24992, 27328, 30317, 31808, 34648, 37576, 42944, 43736, 47641, 49984, 60634, 69296, 75152, 87472, 95282, 121268, 138592, 150304, 174944, 190564, 242536, 277184, 300608, 333487, 349888, 381128, 485072, 666974, 762256, 970144, 1333948, 1524512, 1940288, 2667896, 3049024, 5335792, 10671584, 21343168]

約数ペア:

[(1, 21343168), (2, 10671584), (4, 5335792), (7, 3049024), (8, 2667896), (11, 1940288), (14, 1524512), (16, 1333948), (22, 970144), (28, 762256), (32, 666974), (44, 485072), (56, 381128), (61, 349888), (64, 333487), (71, 300608), (77, 277184), (88, 242536), (112, 190564), (122, 174944), (142, 150304), (154, 138592), (176, 121268), (224, 95282), (244, 87472), (284, 75152), (308, 69296), (352, 60634), (427, 49984), (448, 47641), (488, 43736), (497, 42944), (568, 37576), (616, 34648), (671, 31808), (704, 30317), (781, 27328), (854, 24992), (976, 21868), (994, 21472), (1136, 18788), (1232, 17324), (1342, 15904), (1562, 13664), (1708, 12496), (1952, 10934), (1988, 10736), (2272, 9394), (2464, 8662), (2684, 7952), (3124, 6832), (3416, 6248), (3904, 5467), (3976, 5368), (4331, 4928), (4544, 4697)]