21106656

素因数分解:

$2^5\times 3^4\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:518

約数の個数: 120

約数和(自身を含む): 65862720

約数和(自身を除く): 44756064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 68, 72, 81, 96, 102, 108, 136, 144, 153, 162, 204, 216, 272, 288, 306, 324, 408, 432, 459, 479, 544, 612, 648, 816, 864, 918, 958, 1224, 1296, 1377, 1437, 1632, 1836, 1916, 2448, 2592, 2754, 2874, 3672, 3832, 4311, 4896, 5508, 5748, 7344, 7664, 8143, 8622, 11016, 11496, 12933, 14688, 15328, 16286, 17244, 22032, 22992, 24429, 25866, 32572, 34488, 38799, 44064, 45984, 48858, 51732, 65144, 68976, 73287, 77598, 97716, 103464, 130288, 137952, 146574, 155196, 195432, 206928, 219861, 260576, 293148, 310392, 390864, 413856, 439722, 586296, 620784, 659583, 781728, 879444, 1172592, 1241568, 1319166, 1758888, 2345184, 2638332, 3517776, 5276664, 7035552, 10553328, 21106656]

約数ペア:

[(1, 21106656), (2, 10553328), (3, 7035552), (4, 5276664), (6, 3517776), (8, 2638332), (9, 2345184), (12, 1758888), (16, 1319166), (17, 1241568), (18, 1172592), (24, 879444), (27, 781728), (32, 659583), (34, 620784), (36, 586296), (48, 439722), (51, 413856), (54, 390864), (68, 310392), (72, 293148), (81, 260576), (96, 219861), (102, 206928), (108, 195432), (136, 155196), (144, 146574), (153, 137952), (162, 130288), (204, 103464), (216, 97716), (272, 77598), (288, 73287), (306, 68976), (324, 65144), (408, 51732), (432, 48858), (459, 45984), (479, 44064), (544, 38799), (612, 34488), (648, 32572), (816, 25866), (864, 24429), (918, 22992), (958, 22032), (1224, 17244), (1296, 16286), (1377, 15328), (1437, 14688), (1632, 12933), (1836, 11496), (1916, 11016), (2448, 8622), (2592, 8143), (2754, 7664), (2874, 7344), (3672, 5748), (3832, 5508), (4311, 4896)]