21313376

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 52799040

約数和(自身を除く): 31485664

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 29, 32, 34, 56, 58, 68, 112, 116, 119, 136, 193, 203, 224, 232, 238, 272, 386, 406, 464, 476, 493, 544, 772, 812, 928, 952, 986, 1351, 1544, 1624, 1904, 1972, 2702, 3088, 3248, 3281, 3451, 3808, 3944, 5404, 5597, 6176, 6496, 6562, 6902, 7888, 10808, 11194, 13124, 13804, 15776, 21616, 22388, 22967, 26248, 27608, 39179, 43232, 44776, 45934, 52496, 55216, 78358, 89552, 91868, 95149, 104992, 110432, 156716, 179104, 183736, 190298, 313432, 367472, 380596, 626864, 666043, 734944, 761192, 1253728, 1332086, 1522384, 2664172, 3044768, 5328344, 10656688, 21313376]

約数ペア:

[(1, 21313376), (2, 10656688), (4, 5328344), (7, 3044768), (8, 2664172), (14, 1522384), (16, 1332086), (17, 1253728), (28, 761192), (29, 734944), (32, 666043), (34, 626864), (56, 380596), (58, 367472), (68, 313432), (112, 190298), (116, 183736), (119, 179104), (136, 156716), (193, 110432), (203, 104992), (224, 95149), (232, 91868), (238, 89552), (272, 78358), (386, 55216), (406, 52496), (464, 45934), (476, 44776), (493, 43232), (544, 39179), (772, 27608), (812, 26248), (928, 22967), (952, 22388), (986, 21616), (1351, 15776), (1544, 13804), (1624, 13124), (1904, 11194), (1972, 10808), (2702, 7888), (3088, 6902), (3248, 6562), (3281, 6496), (3451, 6176), (3808, 5597), (3944, 5404)]