21498624

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 216

約数和(自身を含む): 74826752

約数和(自身を除く): 53328128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 43, 48, 56, 62, 63, 64, 72, 84, 86, 93, 96, 112, 124, 126, 128, 129, 144, 168, 172, 186, 192, 217, 224, 248, 252, 256, 258, 279, 288, 301, 336, 344, 372, 384, 387, 434, 448, 496, 504, 516, 558, 576, 602, 651, 672, 688, 744, 768, 774, 868, 896, 903, 992, 1008, 1032, 1116, 1152, 1204, 1302, 1333, 1344, 1376, 1488, 1548, 1736, 1792, 1806, 1953, 1984, 2016, 2064, 2232, 2304, 2408, 2604, 2666, 2688, 2709, 2752, 2976, 3096, 3472, 3612, 3906, 3968, 3999, 4032, 4128, 4464, 4816, 5208, 5332, 5376, 5418, 5504, 5952, 6192, 6944, 7224, 7812, 7936, 7998, 8064, 8256, 8928, 9331, 9632, 10416, 10664, 10836, 11008, 11904, 11997, 12384, 13888, 14448, 15624, 15996, 16128, 16512, 17856, 18662, 19264, 20832, 21328, 21672, 23808, 23994, 24768, 27776, 27993, 28896, 31248, 31992, 33024, 35712, 37324, 38528, 41664, 42656, 43344, 47988, 49536, 55552, 55986, 57792, 62496, 63984, 71424, 74648, 77056, 83328, 83979, 85312, 86688, 95976, 99072, 111972, 115584, 124992, 127968, 149296, 166656, 167958, 170624, 173376, 191952, 223944, 231168, 249984, 255936, 298592, 335916, 341248, 346752, 383904, 447888, 499968, 511872, 597184, 671832, 693504, 767808, 895776, 1023744, 1194368, 1343664, 1535616, 1791552, 2388736, 2687328, 3071232, 3583104, 5374656, 7166208, 10749312, 21498624]

約数ペア:

[(1, 21498624), (2, 10749312), (3, 7166208), (4, 5374656), (6, 3583104), (7, 3071232), (8, 2687328), (9, 2388736), (12, 1791552), (14, 1535616), (16, 1343664), (18, 1194368), (21, 1023744), (24, 895776), (28, 767808), (31, 693504), (32, 671832), (36, 597184), (42, 511872), (43, 499968), (48, 447888), (56, 383904), (62, 346752), (63, 341248), (64, 335916), (72, 298592), (84, 255936), (86, 249984), (93, 231168), (96, 223944), (112, 191952), (124, 173376), (126, 170624), (128, 167958), (129, 166656), (144, 149296), (168, 127968), (172, 124992), (186, 115584), (192, 111972), (217, 99072), (224, 95976), (248, 86688), (252, 85312), (256, 83979), (258, 83328), (279, 77056), (288, 74648), (301, 71424), (336, 63984), (344, 62496), (372, 57792), (384, 55986), (387, 55552), (434, 49536), (448, 47988), (496, 43344), (504, 42656), (516, 41664), (558, 38528), (576, 37324), (602, 35712), (651, 33024), (672, 31992), (688, 31248), (744, 28896), (768, 27993), (774, 27776), (868, 24768), (896, 23994), (903, 23808), (992, 21672), (1008, 21328), (1032, 20832), (1116, 19264), (1152, 18662), (1204, 17856), (1302, 16512), (1333, 16128), (1344, 15996), (1376, 15624), (1488, 14448), (1548, 13888), (1736, 12384), (1792, 11997), (1806, 11904), (1953, 11008), (1984, 10836), (2016, 10664), (2064, 10416), (2232, 9632), (2304, 9331), (2408, 8928), (2604, 8256), (2666, 8064), (2688, 7998), (2709, 7936), (2752, 7812), (2976, 7224), (3096, 6944), (3472, 6192), (3612, 5952), (3906, 5504), (3968, 5418), (3999, 5376), (4032, 5332), (4128, 5208), (4464, 4816)]