21754656

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:149

約数の個数: 240

約数和(自身を含む): 80498880

約数和(自身を除く): 58744224

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 32, 33, 36, 42, 44, 48, 54, 56, 63, 66, 72, 77, 81, 84, 88, 96, 99, 108, 109, 112, 126, 132, 144, 154, 162, 168, 176, 189, 198, 216, 218, 224, 231, 252, 264, 288, 297, 308, 324, 327, 336, 352, 378, 396, 432, 436, 462, 504, 528, 567, 594, 616, 648, 654, 672, 693, 756, 763, 792, 864, 872, 891, 924, 981, 1008, 1056, 1134, 1188, 1199, 1232, 1296, 1308, 1386, 1512, 1526, 1584, 1744, 1782, 1848, 1962, 2016, 2079, 2268, 2289, 2376, 2398, 2464, 2592, 2616, 2772, 2943, 3024, 3052, 3168, 3488, 3564, 3597, 3696, 3924, 4158, 4536, 4578, 4752, 4796, 5232, 5544, 5886, 6048, 6104, 6237, 6867, 7128, 7194, 7392, 7848, 8316, 8393, 8829, 9072, 9156, 9504, 9592, 10464, 10791, 11088, 11772, 12208, 12474, 13734, 14256, 14388, 15696, 16632, 16786, 17658, 18144, 18312, 19184, 20601, 21582, 22176, 23544, 24416, 24948, 25179, 27468, 28512, 28776, 31392, 32373, 33264, 33572, 35316, 36624, 38368, 41202, 43164, 47088, 49896, 50358, 54936, 57552, 61803, 64746, 66528, 67144, 70632, 73248, 75537, 82404, 86328, 94176, 97119, 99792, 100716, 109872, 115104, 123606, 129492, 134288, 141264, 151074, 164808, 172656, 194238, 199584, 201432, 219744, 226611, 247212, 258984, 268576, 282528, 302148, 329616, 345312, 388476, 402864, 453222, 494424, 517968, 604296, 659232, 679833, 776952, 805728, 906444, 988848, 1035936, 1208592, 1359666, 1553904, 1812888, 1977696, 2417184, 2719332, 3107808, 3625776, 5438664, 7251552, 10877328, 21754656]

約数ペア:

[(1, 21754656), (2, 10877328), (3, 7251552), (4, 5438664), (6, 3625776), (7, 3107808), (8, 2719332), (9, 2417184), (11, 1977696), (12, 1812888), (14, 1553904), (16, 1359666), (18, 1208592), (21, 1035936), (22, 988848), (24, 906444), (27, 805728), (28, 776952), (32, 679833), (33, 659232), (36, 604296), (42, 517968), (44, 494424), (48, 453222), (54, 402864), (56, 388476), (63, 345312), (66, 329616), (72, 302148), (77, 282528), (81, 268576), (84, 258984), (88, 247212), (96, 226611), (99, 219744), (108, 201432), (109, 199584), (112, 194238), (126, 172656), (132, 164808), (144, 151074), (154, 141264), (162, 134288), (168, 129492), (176, 123606), (189, 115104), (198, 109872), (216, 100716), (218, 99792), (224, 97119), (231, 94176), (252, 86328), (264, 82404), (288, 75537), (297, 73248), (308, 70632), (324, 67144), (327, 66528), (336, 64746), (352, 61803), (378, 57552), (396, 54936), (432, 50358), (436, 49896), (462, 47088), (504, 43164), (528, 41202), (567, 38368), (594, 36624), (616, 35316), (648, 33572), (654, 33264), (672, 32373), (693, 31392), (756, 28776), (763, 28512), (792, 27468), (864, 25179), (872, 24948), (891, 24416), (924, 23544), (981, 22176), (1008, 21582), (1056, 20601), (1134, 19184), (1188, 18312), (1199, 18144), (1232, 17658), (1296, 16786), (1308, 16632), (1386, 15696), (1512, 14388), (1526, 14256), (1584, 13734), (1744, 12474), (1782, 12208), (1848, 11772), (1962, 11088), (2016, 10791), (2079, 10464), (2268, 9592), (2289, 9504), (2376, 9156), (2398, 9072), (2464, 8829), (2592, 8393), (2616, 8316), (2772, 7848), (2943, 7392), (3024, 7194), (3052, 7128), (3168, 6867), (3488, 6237), (3564, 6104), (3597, 6048), (3696, 5886), (3924, 5544), (4158, 5232), (4536, 4796), (4578, 4752)]