21168224

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^3\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 96

約数和(自身を含む): 53125632

約数和(自身を除く): 31957408

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 71, 77, 88, 112, 121, 142, 154, 176, 224, 242, 284, 308, 352, 484, 497, 568, 616, 781, 847, 968, 994, 1136, 1232, 1331, 1562, 1694, 1936, 1988, 2272, 2464, 2662, 3124, 3388, 3872, 3976, 5324, 5467, 6248, 6776, 7952, 8591, 9317, 10648, 10934, 12496, 13552, 15904, 17182, 18634, 21296, 21868, 24992, 27104, 34364, 37268, 42592, 43736, 60137, 68728, 74536, 87472, 94501, 120274, 137456, 149072, 174944, 189002, 240548, 274912, 298144, 378004, 481096, 661507, 756008, 962192, 1323014, 1512016, 1924384, 2646028, 3024032, 5292056, 10584112, 21168224]

約数ペア:

[(1, 21168224), (2, 10584112), (4, 5292056), (7, 3024032), (8, 2646028), (11, 1924384), (14, 1512016), (16, 1323014), (22, 962192), (28, 756008), (32, 661507), (44, 481096), (56, 378004), (71, 298144), (77, 274912), (88, 240548), (112, 189002), (121, 174944), (142, 149072), (154, 137456), (176, 120274), (224, 94501), (242, 87472), (284, 74536), (308, 68728), (352, 60137), (484, 43736), (497, 42592), (568, 37268), (616, 34364), (781, 27104), (847, 24992), (968, 21868), (994, 21296), (1136, 18634), (1232, 17182), (1331, 15904), (1562, 13552), (1694, 12496), (1936, 10934), (1988, 10648), (2272, 9317), (2464, 8591), (2662, 7952), (3124, 6776), (3388, 6248), (3872, 5467), (3976, 5324)]