21065184

素因数分解:

$2^5\times 3^7\times 7^1\times {\mathrm{43}}^1$

素因数の和:81

約数の個数: 192

約数和(自身を含む): 72737280

約数和(自身を除く): 51672096

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 43, 48, 54, 56, 63, 72, 81, 84, 86, 96, 108, 112, 126, 129, 144, 162, 168, 172, 189, 216, 224, 243, 252, 258, 288, 301, 324, 336, 344, 378, 387, 432, 486, 504, 516, 567, 602, 648, 672, 688, 729, 756, 774, 864, 903, 972, 1008, 1032, 1134, 1161, 1204, 1296, 1376, 1458, 1512, 1548, 1701, 1806, 1944, 2016, 2064, 2187, 2268, 2322, 2408, 2592, 2709, 2916, 3024, 3096, 3402, 3483, 3612, 3888, 4128, 4374, 4536, 4644, 4816, 5103, 5418, 5832, 6048, 6192, 6804, 6966, 7224, 7776, 8127, 8748, 9072, 9288, 9632, 10206, 10449, 10836, 11664, 12384, 13608, 13932, 14448, 15309, 16254, 17496, 18144, 18576, 20412, 20898, 21672, 23328, 24381, 27216, 27864, 28896, 30618, 31347, 32508, 34992, 37152, 40824, 41796, 43344, 48762, 54432, 55728, 61236, 62694, 65016, 69984, 73143, 81648, 83592, 86688, 94041, 97524, 111456, 122472, 125388, 130032, 146286, 163296, 167184, 188082, 195048, 219429, 244944, 250776, 260064, 292572, 334368, 376164, 390096, 438858, 489888, 501552, 585144, 658287, 752328, 780192, 877716, 1003104, 1170288, 1316574, 1504656, 1755432, 2340576, 2633148, 3009312, 3510864, 5266296, 7021728, 10532592, 21065184]

約数ペア:

[(1, 21065184), (2, 10532592), (3, 7021728), (4, 5266296), (6, 3510864), (7, 3009312), (8, 2633148), (9, 2340576), (12, 1755432), (14, 1504656), (16, 1316574), (18, 1170288), (21, 1003104), (24, 877716), (27, 780192), (28, 752328), (32, 658287), (36, 585144), (42, 501552), (43, 489888), (48, 438858), (54, 390096), (56, 376164), (63, 334368), (72, 292572), (81, 260064), (84, 250776), (86, 244944), (96, 219429), (108, 195048), (112, 188082), (126, 167184), (129, 163296), (144, 146286), (162, 130032), (168, 125388), (172, 122472), (189, 111456), (216, 97524), (224, 94041), (243, 86688), (252, 83592), (258, 81648), (288, 73143), (301, 69984), (324, 65016), (336, 62694), (344, 61236), (378, 55728), (387, 54432), (432, 48762), (486, 43344), (504, 41796), (516, 40824), (567, 37152), (602, 34992), (648, 32508), (672, 31347), (688, 30618), (729, 28896), (756, 27864), (774, 27216), (864, 24381), (903, 23328), (972, 21672), (1008, 20898), (1032, 20412), (1134, 18576), (1161, 18144), (1204, 17496), (1296, 16254), (1376, 15309), (1458, 14448), (1512, 13932), (1548, 13608), (1701, 12384), (1806, 11664), (1944, 10836), (2016, 10449), (2064, 10206), (2187, 9632), (2268, 9288), (2322, 9072), (2408, 8748), (2592, 8127), (2709, 7776), (2916, 7224), (3024, 6966), (3096, 6804), (3402, 6192), (3483, 6048), (3612, 5832), (3888, 5418), (4128, 5103), (4374, 4816), (4536, 4644)]