21791616

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1$

素因数の和:113

約数の個数: 192

約数和(自身を含む): 73799040

約数和(自身を除く): 52007424

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 64, 66, 67, 77, 84, 88, 96, 112, 121, 128, 132, 134, 154, 168, 176, 192, 201, 224, 231, 242, 264, 268, 308, 336, 352, 363, 384, 402, 448, 462, 469, 484, 528, 536, 616, 672, 704, 726, 737, 804, 847, 896, 924, 938, 968, 1056, 1072, 1232, 1344, 1407, 1408, 1452, 1474, 1608, 1694, 1848, 1876, 1936, 2112, 2144, 2211, 2464, 2541, 2688, 2814, 2904, 2948, 3216, 3388, 3696, 3752, 3872, 4224, 4288, 4422, 4928, 5082, 5159, 5628, 5808, 5896, 6432, 6776, 7392, 7504, 7744, 8107, 8576, 8844, 9856, 10164, 10318, 11256, 11616, 11792, 12864, 13552, 14784, 15008, 15477, 15488, 16214, 17688, 20328, 20636, 22512, 23232, 23584, 24321, 25728, 27104, 29568, 30016, 30954, 32428, 35376, 40656, 41272, 45024, 46464, 47168, 48642, 54208, 56749, 60032, 61908, 64856, 70752, 81312, 82544, 90048, 94336, 97284, 108416, 113498, 123816, 129712, 141504, 162624, 165088, 170247, 180096, 194568, 226996, 247632, 259424, 283008, 325248, 330176, 340494, 389136, 453992, 495264, 518848, 660352, 680988, 778272, 907984, 990528, 1037696, 1361976, 1556544, 1815968, 1981056, 2723952, 3113088, 3631936, 5447904, 7263872, 10895808, 21791616]

約数ペア:

[(1, 21791616), (2, 10895808), (3, 7263872), (4, 5447904), (6, 3631936), (7, 3113088), (8, 2723952), (11, 1981056), (12, 1815968), (14, 1556544), (16, 1361976), (21, 1037696), (22, 990528), (24, 907984), (28, 778272), (32, 680988), (33, 660352), (42, 518848), (44, 495264), (48, 453992), (56, 389136), (64, 340494), (66, 330176), (67, 325248), (77, 283008), (84, 259424), (88, 247632), (96, 226996), (112, 194568), (121, 180096), (128, 170247), (132, 165088), (134, 162624), (154, 141504), (168, 129712), (176, 123816), (192, 113498), (201, 108416), (224, 97284), (231, 94336), (242, 90048), (264, 82544), (268, 81312), (308, 70752), (336, 64856), (352, 61908), (363, 60032), (384, 56749), (402, 54208), (448, 48642), (462, 47168), (469, 46464), (484, 45024), (528, 41272), (536, 40656), (616, 35376), (672, 32428), (704, 30954), (726, 30016), (737, 29568), (804, 27104), (847, 25728), (896, 24321), (924, 23584), (938, 23232), (968, 22512), (1056, 20636), (1072, 20328), (1232, 17688), (1344, 16214), (1407, 15488), (1408, 15477), (1452, 15008), (1474, 14784), (1608, 13552), (1694, 12864), (1848, 11792), (1876, 11616), (1936, 11256), (2112, 10318), (2144, 10164), (2211, 9856), (2464, 8844), (2541, 8576), (2688, 8107), (2814, 7744), (2904, 7504), (2948, 7392), (3216, 6776), (3388, 6432), (3696, 5896), (3752, 5808), (3872, 5628), (4224, 5159), (4288, 5082), (4422, 4928)]