21643776

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:103

約数の個数: 240

約数和(自身を含む): 79155648

約数和(自身を除く): 57511872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 42, 44, 48, 56, 61, 63, 64, 66, 72, 77, 84, 88, 96, 99, 112, 122, 126, 128, 132, 144, 154, 168, 176, 183, 192, 198, 224, 231, 244, 252, 256, 264, 288, 308, 336, 352, 366, 384, 396, 427, 448, 462, 488, 504, 512, 528, 549, 576, 616, 671, 672, 693, 704, 732, 768, 792, 854, 896, 924, 976, 1008, 1056, 1098, 1152, 1232, 1281, 1342, 1344, 1386, 1408, 1464, 1536, 1584, 1708, 1792, 1848, 1952, 2013, 2016, 2112, 2196, 2304, 2464, 2562, 2684, 2688, 2772, 2816, 2928, 3168, 3416, 3584, 3696, 3843, 3904, 4026, 4032, 4224, 4392, 4608, 4697, 4928, 5124, 5368, 5376, 5544, 5632, 5856, 6039, 6336, 6832, 7392, 7686, 7808, 8052, 8064, 8448, 8784, 9394, 9856, 10248, 10736, 10752, 11088, 11712, 12078, 12672, 13664, 14091, 14784, 15372, 15616, 16104, 16128, 16896, 17568, 18788, 19712, 20496, 21472, 22176, 23424, 24156, 25344, 27328, 28182, 29568, 30744, 31232, 32208, 32256, 35136, 37576, 39424, 40992, 42273, 42944, 44352, 46848, 48312, 50688, 54656, 56364, 59136, 61488, 64416, 70272, 75152, 81984, 84546, 85888, 88704, 93696, 96624, 109312, 112728, 118272, 122976, 128832, 140544, 150304, 163968, 169092, 171776, 177408, 193248, 218624, 225456, 245952, 257664, 281088, 300608, 327936, 338184, 343552, 354816, 386496, 450912, 491904, 515328, 601216, 655872, 676368, 772992, 901824, 983808, 1030656, 1202432, 1352736, 1545984, 1803648, 1967616, 2404864, 2705472, 3091968, 3607296, 5410944, 7214592, 10821888, 21643776]

約数ペア:

[(1, 21643776), (2, 10821888), (3, 7214592), (4, 5410944), (6, 3607296), (7, 3091968), (8, 2705472), (9, 2404864), (11, 1967616), (12, 1803648), (14, 1545984), (16, 1352736), (18, 1202432), (21, 1030656), (22, 983808), (24, 901824), (28, 772992), (32, 676368), (33, 655872), (36, 601216), (42, 515328), (44, 491904), (48, 450912), (56, 386496), (61, 354816), (63, 343552), (64, 338184), (66, 327936), (72, 300608), (77, 281088), (84, 257664), (88, 245952), (96, 225456), (99, 218624), (112, 193248), (122, 177408), (126, 171776), (128, 169092), (132, 163968), (144, 150304), (154, 140544), (168, 128832), (176, 122976), (183, 118272), (192, 112728), (198, 109312), (224, 96624), (231, 93696), (244, 88704), (252, 85888), (256, 84546), (264, 81984), (288, 75152), (308, 70272), (336, 64416), (352, 61488), (366, 59136), (384, 56364), (396, 54656), (427, 50688), (448, 48312), (462, 46848), (488, 44352), (504, 42944), (512, 42273), (528, 40992), (549, 39424), (576, 37576), (616, 35136), (671, 32256), (672, 32208), (693, 31232), (704, 30744), (732, 29568), (768, 28182), (792, 27328), (854, 25344), (896, 24156), (924, 23424), (976, 22176), (1008, 21472), (1056, 20496), (1098, 19712), (1152, 18788), (1232, 17568), (1281, 16896), (1342, 16128), (1344, 16104), (1386, 15616), (1408, 15372), (1464, 14784), (1536, 14091), (1584, 13664), (1708, 12672), (1792, 12078), (1848, 11712), (1952, 11088), (2013, 10752), (2016, 10736), (2112, 10248), (2196, 9856), (2304, 9394), (2464, 8784), (2562, 8448), (2684, 8064), (2688, 8052), (2772, 7808), (2816, 7686), (2928, 7392), (3168, 6832), (3416, 6336), (3584, 6039), (3696, 5856), (3843, 5632), (3904, 5544), (4026, 5376), (4032, 5368), (4224, 5124), (4392, 4928), (4608, 4697)]