21580416

素因数分解:

$2^7\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:175

約数の個数: 192

約数和(自身を含む): 73513440

約数和(自身を除く): 51933024

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 32, 33, 36, 39, 44, 48, 52, 64, 66, 72, 78, 88, 96, 99, 104, 117, 128, 131, 132, 143, 144, 156, 176, 192, 198, 208, 234, 262, 264, 286, 288, 312, 352, 384, 393, 396, 416, 429, 468, 524, 528, 572, 576, 624, 704, 786, 792, 832, 858, 936, 1048, 1056, 1144, 1152, 1179, 1248, 1287, 1408, 1441, 1572, 1584, 1664, 1703, 1716, 1872, 2096, 2112, 2288, 2358, 2496, 2574, 2882, 3144, 3168, 3406, 3432, 3744, 4192, 4224, 4323, 4576, 4716, 4992, 5109, 5148, 5764, 6288, 6336, 6812, 6864, 7488, 8384, 8646, 9152, 9432, 10218, 10296, 11528, 12576, 12672, 12969, 13624, 13728, 14976, 15327, 16768, 17292, 18304, 18733, 18864, 20436, 20592, 23056, 25152, 25938, 27248, 27456, 30654, 34584, 37466, 37728, 40872, 41184, 46112, 50304, 51876, 54496, 54912, 56199, 61308, 69168, 74932, 75456, 81744, 82368, 92224, 103752, 108992, 112398, 122616, 138336, 149864, 150912, 163488, 164736, 168597, 184448, 207504, 217984, 224796, 245232, 276672, 299728, 326976, 337194, 415008, 449592, 490464, 553344, 599456, 653952, 674388, 830016, 899184, 980928, 1198912, 1348776, 1660032, 1798368, 1961856, 2397824, 2697552, 3596736, 5395104, 7193472, 10790208, 21580416]

約数ペア:

[(1, 21580416), (2, 10790208), (3, 7193472), (4, 5395104), (6, 3596736), (8, 2697552), (9, 2397824), (11, 1961856), (12, 1798368), (13, 1660032), (16, 1348776), (18, 1198912), (22, 980928), (24, 899184), (26, 830016), (32, 674388), (33, 653952), (36, 599456), (39, 553344), (44, 490464), (48, 449592), (52, 415008), (64, 337194), (66, 326976), (72, 299728), (78, 276672), (88, 245232), (96, 224796), (99, 217984), (104, 207504), (117, 184448), (128, 168597), (131, 164736), (132, 163488), (143, 150912), (144, 149864), (156, 138336), (176, 122616), (192, 112398), (198, 108992), (208, 103752), (234, 92224), (262, 82368), (264, 81744), (286, 75456), (288, 74932), (312, 69168), (352, 61308), (384, 56199), (393, 54912), (396, 54496), (416, 51876), (429, 50304), (468, 46112), (524, 41184), (528, 40872), (572, 37728), (576, 37466), (624, 34584), (704, 30654), (786, 27456), (792, 27248), (832, 25938), (858, 25152), (936, 23056), (1048, 20592), (1056, 20436), (1144, 18864), (1152, 18733), (1179, 18304), (1248, 17292), (1287, 16768), (1408, 15327), (1441, 14976), (1572, 13728), (1584, 13624), (1664, 12969), (1703, 12672), (1716, 12576), (1872, 11528), (2096, 10296), (2112, 10218), (2288, 9432), (2358, 9152), (2496, 8646), (2574, 8384), (2882, 7488), (3144, 6864), (3168, 6812), (3406, 6336), (3432, 6288), (3744, 5764), (4192, 5148), (4224, 5109), (4323, 4992), (4576, 4716)]