21271152

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:143

約数の個数: 160

約数和(自身を含む): 67852800

約数和(自身を除く): 46581648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 37, 42, 48, 56, 58, 59, 74, 84, 87, 111, 112, 116, 118, 148, 168, 174, 177, 203, 222, 232, 236, 259, 296, 336, 348, 354, 406, 413, 444, 464, 472, 518, 592, 609, 696, 708, 777, 812, 826, 888, 944, 1036, 1073, 1218, 1239, 1392, 1416, 1554, 1624, 1652, 1711, 1776, 2072, 2146, 2183, 2436, 2478, 2832, 3108, 3219, 3248, 3304, 3422, 4144, 4292, 4366, 4872, 4956, 5133, 6216, 6438, 6549, 6608, 6844, 7511, 8584, 8732, 9744, 9912, 10266, 11977, 12432, 12876, 13098, 13688, 15022, 15281, 17168, 17464, 19824, 20532, 22533, 23954, 25752, 26196, 27376, 30044, 30562, 34928, 35931, 41064, 45066, 45843, 47908, 51504, 52392, 60088, 61124, 63307, 71862, 82128, 90132, 91686, 95816, 104784, 120176, 122248, 126614, 143724, 180264, 183372, 189921, 191632, 244496, 253228, 287448, 360528, 366744, 379842, 443149, 506456, 574896, 733488, 759684, 886298, 1012912, 1329447, 1519368, 1772596, 2658894, 3038736, 3545192, 5317788, 7090384, 10635576, 21271152]

約数ペア:

[(1, 21271152), (2, 10635576), (3, 7090384), (4, 5317788), (6, 3545192), (7, 3038736), (8, 2658894), (12, 1772596), (14, 1519368), (16, 1329447), (21, 1012912), (24, 886298), (28, 759684), (29, 733488), (37, 574896), (42, 506456), (48, 443149), (56, 379842), (58, 366744), (59, 360528), (74, 287448), (84, 253228), (87, 244496), (111, 191632), (112, 189921), (116, 183372), (118, 180264), (148, 143724), (168, 126614), (174, 122248), (177, 120176), (203, 104784), (222, 95816), (232, 91686), (236, 90132), (259, 82128), (296, 71862), (336, 63307), (348, 61124), (354, 60088), (406, 52392), (413, 51504), (444, 47908), (464, 45843), (472, 45066), (518, 41064), (592, 35931), (609, 34928), (696, 30562), (708, 30044), (777, 27376), (812, 26196), (826, 25752), (888, 23954), (944, 22533), (1036, 20532), (1073, 19824), (1218, 17464), (1239, 17168), (1392, 15281), (1416, 15022), (1554, 13688), (1624, 13098), (1652, 12876), (1711, 12432), (1776, 11977), (2072, 10266), (2146, 9912), (2183, 9744), (2436, 8732), (2478, 8584), (2832, 7511), (3108, 6844), (3219, 6608), (3248, 6549), (3304, 6438), (3422, 6216), (4144, 5133), (4292, 4956), (4366, 4872)]