21578088

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 65894400

約数和(自身を除く): 44316312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 43, 56, 58, 84, 86, 87, 103, 116, 129, 168, 172, 174, 203, 206, 232, 258, 301, 309, 344, 348, 406, 412, 516, 602, 609, 618, 696, 721, 812, 824, 903, 1032, 1204, 1218, 1236, 1247, 1442, 1624, 1806, 2163, 2408, 2436, 2472, 2494, 2884, 2987, 3612, 3741, 4326, 4429, 4872, 4988, 5768, 5974, 7224, 7482, 8652, 8729, 8858, 8961, 9976, 11948, 13287, 14964, 17304, 17458, 17716, 17922, 20909, 23896, 26187, 26574, 29928, 31003, 34916, 35432, 35844, 41818, 52374, 53148, 62006, 62727, 69832, 71688, 83636, 93009, 104748, 106296, 124012, 125454, 128441, 167272, 186018, 209496, 248024, 250908, 256882, 372036, 385323, 501816, 513764, 744072, 770646, 899087, 1027528, 1541292, 1798174, 2697261, 3082584, 3596348, 5394522, 7192696, 10789044, 21578088]

約数ペア:

[(1, 21578088), (2, 10789044), (3, 7192696), (4, 5394522), (6, 3596348), (7, 3082584), (8, 2697261), (12, 1798174), (14, 1541292), (21, 1027528), (24, 899087), (28, 770646), (29, 744072), (42, 513764), (43, 501816), (56, 385323), (58, 372036), (84, 256882), (86, 250908), (87, 248024), (103, 209496), (116, 186018), (129, 167272), (168, 128441), (172, 125454), (174, 124012), (203, 106296), (206, 104748), (232, 93009), (258, 83636), (301, 71688), (309, 69832), (344, 62727), (348, 62006), (406, 53148), (412, 52374), (516, 41818), (602, 35844), (609, 35432), (618, 34916), (696, 31003), (721, 29928), (812, 26574), (824, 26187), (903, 23896), (1032, 20909), (1204, 17922), (1218, 17716), (1236, 17458), (1247, 17304), (1442, 14964), (1624, 13287), (1806, 11948), (2163, 9976), (2408, 8961), (2436, 8858), (2472, 8729), (2494, 8652), (2884, 7482), (2987, 7224), (3612, 5974), (3741, 5768), (4326, 4988), (4429, 4872)]