21684911760

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{277}}^1\times {\mathrm{4027}}^1$

素因数の和:4332

約数の個数: 240

約数和(自身を含む): 75813855936

約数和(自身を除く): 54128944176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 277, 324, 360, 405, 432, 486, 540, 554, 648, 720, 810, 831, 972, 1080, 1108, 1215, 1296, 1385, 1620, 1662, 1944, 2160, 2216, 2430, 2493, 2770, 3240, 3324, 3888, 4027, 4155, 4432, 4860, 4986, 5540, 6480, 6648, 7479, 8054, 8310, 9720, 9972, 11080, 12081, 12465, 13296, 14958, 16108, 16620, 19440, 19944, 20135, 22160, 22437, 24162, 24930, 29916, 32216, 33240, 36243, 37395, 39888, 40270, 44874, 48324, 49860, 59832, 60405, 64432, 66480, 67311, 72486, 74790, 80540, 89748, 96648, 99720, 108729, 112185, 119664, 120810, 134622, 144972, 149580, 161080, 179496, 181215, 193296, 199440, 217458, 224370, 241620, 269244, 289944, 299160, 322160, 326187, 336555, 358992, 362430, 434916, 448740, 483240, 538488, 543645, 579888, 598320, 652374, 673110, 724860, 869832, 897480, 966480, 978561, 1076976, 1087290, 1115479, 1304748, 1346220, 1449720, 1630935, 1739664, 1794960, 1957122, 2174580, 2230958, 2609496, 2692440, 2899440, 3261870, 3346437, 3914244, 4349160, 4461916, 4892805, 5218992, 5384880, 5577395, 6523740, 6692874, 7828488, 8698320, 8923832, 9785610, 10039311, 11154790, 13047480, 13385748, 15656976, 16732185, 17847664, 19571220, 20078622, 22309580, 26094960, 26771496, 30117933, 33464370, 39142440, 40157244, 44619160, 50196555, 53542992, 60235866, 66928740, 78284880, 80314488, 89238320, 90353799, 100393110, 120471732, 133857480, 150589665, 160628976, 180707598, 200786220, 240943464, 267714960, 271061397, 301179330, 361415196, 401572440, 451768995, 481886928, 542122794, 602358660, 722830392, 803144880, 903537990, 1084245588, 1204717320, 1355306985, 1445660784, 1807075980, 2168491176, 2409434640, 2710613970, 3614151960, 4336982352, 5421227940, 7228303920, 10842455880, 21684911760]

約数ペア:

[(1, 21684911760), (2, 10842455880), (3, 7228303920), (4, 5421227940), (5, 4336982352), (6, 3614151960), (8, 2710613970), (9, 2409434640), (10, 2168491176), (12, 1807075980), (15, 1445660784), (16, 1355306985), (18, 1204717320), (20, 1084245588), (24, 903537990), (27, 803144880), (30, 722830392), (36, 602358660), (40, 542122794), (45, 481886928), (48, 451768995), (54, 401572440), (60, 361415196), (72, 301179330), (80, 271061397), (81, 267714960), (90, 240943464), (108, 200786220), (120, 180707598), (135, 160628976), (144, 150589665), (162, 133857480), (180, 120471732), (216, 100393110), (240, 90353799), (243, 89238320), (270, 80314488), (277, 78284880), (324, 66928740), (360, 60235866), (405, 53542992), (432, 50196555), (486, 44619160), (540, 40157244), (554, 39142440), (648, 33464370), (720, 30117933), (810, 26771496), (831, 26094960), (972, 22309580), (1080, 20078622), (1108, 19571220), (1215, 17847664), (1296, 16732185), (1385, 15656976), (1620, 13385748), (1662, 13047480), (1944, 11154790), (2160, 10039311), (2216, 9785610), (2430, 8923832), (2493, 8698320), (2770, 7828488), (3240, 6692874), (3324, 6523740), (3888, 5577395), (4027, 5384880), (4155, 5218992), (4432, 4892805), (4860, 4461916), (4986, 4349160), (5540, 3914244), (6480, 3346437), (6648, 3261870), (7479, 2899440), (8054, 2692440), (8310, 2609496), (9720, 2230958), (9972, 2174580), (11080, 1957122), (12081, 1794960), (12465, 1739664), (13296, 1630935), (14958, 1449720), (16108, 1346220), (16620, 1304748), (19440, 1115479), (19944, 1087290), (20135, 1076976), (22160, 978561), (22437, 966480), (24162, 897480), (24930, 869832), (29916, 724860), (32216, 673110), (33240, 652374), (36243, 598320), (37395, 579888), (39888, 543645), (40270, 538488), (44874, 483240), (48324, 448740), (49860, 434916), (59832, 362430), (60405, 358992), (64432, 336555), (66480, 326187), (67311, 322160), (72486, 299160), (74790, 289944), (80540, 269244), (89748, 241620), (96648, 224370), (99720, 217458), (108729, 199440), (112185, 193296), (119664, 181215), (120810, 179496), (134622, 161080), (144972, 149580)]