21375648

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:507

約数の個数: 144

約数和(自身を含む): 72648576

約数和(自身を除く): 51272928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 32, 36, 42, 46, 48, 56, 63, 69, 72, 84, 92, 96, 112, 126, 138, 144, 161, 168, 184, 207, 224, 252, 276, 288, 322, 336, 368, 414, 461, 483, 504, 552, 644, 672, 736, 828, 922, 966, 1008, 1104, 1288, 1383, 1449, 1656, 1844, 1932, 2016, 2208, 2576, 2766, 2898, 3227, 3312, 3688, 3864, 4149, 5152, 5532, 5796, 6454, 6624, 7376, 7728, 8298, 9681, 10603, 11064, 11592, 12908, 14752, 15456, 16596, 19362, 21206, 22128, 23184, 25816, 29043, 31809, 33192, 38724, 42412, 44256, 46368, 51632, 58086, 63618, 66384, 74221, 77448, 84824, 95427, 103264, 116172, 127236, 132768, 148442, 154896, 169648, 190854, 222663, 232344, 254472, 296884, 309792, 339296, 381708, 445326, 464688, 508944, 593768, 667989, 763416, 890652, 929376, 1017888, 1187536, 1335978, 1526832, 1781304, 2375072, 2671956, 3053664, 3562608, 5343912, 7125216, 10687824, 21375648]

約数ペア:

[(1, 21375648), (2, 10687824), (3, 7125216), (4, 5343912), (6, 3562608), (7, 3053664), (8, 2671956), (9, 2375072), (12, 1781304), (14, 1526832), (16, 1335978), (18, 1187536), (21, 1017888), (23, 929376), (24, 890652), (28, 763416), (32, 667989), (36, 593768), (42, 508944), (46, 464688), (48, 445326), (56, 381708), (63, 339296), (69, 309792), (72, 296884), (84, 254472), (92, 232344), (96, 222663), (112, 190854), (126, 169648), (138, 154896), (144, 148442), (161, 132768), (168, 127236), (184, 116172), (207, 103264), (224, 95427), (252, 84824), (276, 77448), (288, 74221), (322, 66384), (336, 63618), (368, 58086), (414, 51632), (461, 46368), (483, 44256), (504, 42412), (552, 38724), (644, 33192), (672, 31809), (736, 29043), (828, 25816), (922, 23184), (966, 22128), (1008, 21206), (1104, 19362), (1288, 16596), (1383, 15456), (1449, 14752), (1656, 12908), (1844, 11592), (1932, 11064), (2016, 10603), (2208, 9681), (2576, 8298), (2766, 7728), (2898, 7376), (3227, 6624), (3312, 6454), (3688, 5796), (3864, 5532), (4149, 5152)]