21658464

素因数分解:

$2^5\times 3^2\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:652

約数の個数: 72

約数和(自身を含む): 62112960

約数和(自身を除く): 40454496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 157, 288, 314, 471, 479, 628, 942, 958, 1256, 1413, 1437, 1884, 1916, 2512, 2826, 2874, 3768, 3832, 4311, 5024, 5652, 5748, 7536, 7664, 8622, 11304, 11496, 15072, 15328, 17244, 22608, 22992, 34488, 45216, 45984, 68976, 75203, 137952, 150406, 225609, 300812, 451218, 601624, 676827, 902436, 1203248, 1353654, 1804872, 2406496, 2707308, 3609744, 5414616, 7219488, 10829232, 21658464]

約数ペア:

[(1, 21658464), (2, 10829232), (3, 7219488), (4, 5414616), (6, 3609744), (8, 2707308), (9, 2406496), (12, 1804872), (16, 1353654), (18, 1203248), (24, 902436), (32, 676827), (36, 601624), (48, 451218), (72, 300812), (96, 225609), (144, 150406), (157, 137952), (288, 75203), (314, 68976), (471, 45984), (479, 45216), (628, 34488), (942, 22992), (958, 22608), (1256, 17244), (1413, 15328), (1437, 15072), (1884, 11496), (1916, 11304), (2512, 8622), (2826, 7664), (2874, 7536), (3768, 5748), (3832, 5652), (4311, 5024)]