21051564800

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:304

約数の個数: 432

約数和(自身を含む): 62231558592

約数和(自身を除く): 41179993792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 41, 50, 56, 64, 70, 73, 80, 82, 100, 112, 128, 140, 146, 157, 160, 164, 175, 200, 205, 224, 256, 280, 287, 292, 314, 320, 328, 350, 365, 400, 410, 448, 511, 560, 574, 584, 628, 640, 656, 700, 730, 785, 800, 820, 896, 1022, 1025, 1099, 1120, 1148, 1168, 1256, 1280, 1312, 1400, 1435, 1460, 1570, 1600, 1640, 1792, 1825, 2044, 2050, 2198, 2240, 2296, 2336, 2512, 2555, 2624, 2800, 2870, 2920, 2993, 3140, 3200, 3280, 3650, 3925, 4088, 4100, 4396, 4480, 4592, 4672, 5024, 5110, 5248, 5495, 5600, 5740, 5840, 5986, 6280, 6400, 6437, 6560, 7175, 7300, 7850, 8176, 8200, 8792, 8960, 9184, 9344, 10048, 10220, 10496, 10990, 11200, 11461, 11480, 11680, 11972, 12560, 12775, 12874, 13120, 14350, 14600, 14965, 15700, 16352, 16400, 17584, 18368, 18688, 20096, 20440, 20951, 21980, 22400, 22922, 22960, 23360, 23944, 25120, 25550, 25748, 26240, 27475, 28700, 29200, 29930, 31400, 32185, 32704, 32800, 35168, 36736, 40192, 40880, 41902, 43960, 44800, 45059, 45844, 45920, 46720, 47888, 50240, 51100, 51496, 52480, 54950, 57305, 57400, 58400, 59860, 62800, 64370, 65408, 65600, 70336, 73472, 74825, 80227, 81760, 83804, 87920, 90118, 91688, 91840, 93440, 95776, 100480, 102200, 102992, 104755, 109900, 114610, 114800, 116800, 119720, 125600, 128740, 130816, 131200, 140672, 149650, 160454, 160925, 163520, 167608, 175840, 180236, 183376, 183680, 191552, 200960, 204400, 205984, 209510, 219800, 225295, 229220, 229600, 233600, 239440, 251200, 257480, 262400, 281344, 286525, 299300, 320908, 321850, 327040, 335216, 351680, 360472, 366752, 367360, 383104, 401135, 408800, 411968, 419020, 439600, 450590, 458440, 459200, 467200, 469901, 478880, 502400, 514960, 523775, 573050, 598600, 641816, 643700, 654080, 670432, 703360, 720944, 733504, 766208, 802270, 817600, 823936, 838040, 879200, 901180, 916880, 918400, 939802, 957760, 1004800, 1029920, 1047550, 1126475, 1146100, 1197200, 1283632, 1287400, 1340864, 1406720, 1441888, 1467008, 1604540, 1635200, 1647872, 1676080, 1758400, 1802360, 1833760, 1836800, 1879604, 1915520, 2005675, 2059840, 2095100, 2252950, 2292200, 2349505, 2394400, 2567264, 2574800, 2681728, 2883776, 2934016, 3209080, 3270400, 3289307, 3352160, 3516800, 3604720, 3667520, 3759208, 3831040, 4011350, 4119680, 4190200, 4505900, 4584400, 4699010, 4788800, 5134528, 5149600, 5363456, 5767552, 6418160, 6578614, 6704320, 7033600, 7209440, 7335040, 7518416, 8022700, 8239360, 8380400, 9011800, 9168800, 9398020, 9577600, 10269056, 10299200, 11535104, 11747525, 12836320, 13157228, 13408640, 14418880, 14670080, 15036832, 16045400, 16446535, 16760800, 18023600, 18337600, 18796040, 19155200, 20538112, 20598400, 23495050, 25672640, 26314456, 26817280, 28837760, 30073664, 32090800, 32893070, 33521600, 36047200, 36675200, 37592080, 41196800, 46990100, 51345280, 52628912, 57675520, 60147328, 64181600, 65786140, 67043200, 72094400, 73350400, 75184160, 82232675, 93980200, 102690560, 105257824, 120294656, 128363200, 131572280, 134086400, 144188800, 150368320, 164465350, 187960400, 210515648, 256726400, 263144560, 288377600, 300736640, 328930700, 375920800, 421031296, 513452800, 526289120, 601473280, 657861400, 751841600, 842062592, 1052578240, 1315722800, 1503683200, 2105156480, 2631445600, 3007366400, 4210312960, 5262891200, 10525782400, 21051564800]

約数ペア:

[(1, 21051564800), (2, 10525782400), (4, 5262891200), (5, 4210312960), (7, 3007366400), (8, 2631445600), (10, 2105156480), (14, 1503683200), (16, 1315722800), (20, 1052578240), (25, 842062592), (28, 751841600), (32, 657861400), (35, 601473280), (40, 526289120), (41, 513452800), (50, 421031296), (56, 375920800), (64, 328930700), (70, 300736640), (73, 288377600), (80, 263144560), (82, 256726400), (100, 210515648), (112, 187960400), (128, 164465350), (140, 150368320), (146, 144188800), (157, 134086400), (160, 131572280), (164, 128363200), (175, 120294656), (200, 105257824), (205, 102690560), (224, 93980200), (256, 82232675), (280, 75184160), (287, 73350400), (292, 72094400), (314, 67043200), (320, 65786140), (328, 64181600), (350, 60147328), (365, 57675520), (400, 52628912), (410, 51345280), (448, 46990100), (511, 41196800), (560, 37592080), (574, 36675200), (584, 36047200), (628, 33521600), (640, 32893070), (656, 32090800), (700, 30073664), (730, 28837760), (785, 26817280), (800, 26314456), (820, 25672640), (896, 23495050), (1022, 20598400), (1025, 20538112), (1099, 19155200), (1120, 18796040), (1148, 18337600), (1168, 18023600), (1256, 16760800), (1280, 16446535), (1312, 16045400), (1400, 15036832), (1435, 14670080), (1460, 14418880), (1570, 13408640), (1600, 13157228), (1640, 12836320), (1792, 11747525), (1825, 11535104), (2044, 10299200), (2050, 10269056), (2198, 9577600), (2240, 9398020), (2296, 9168800), (2336, 9011800), (2512, 8380400), (2555, 8239360), (2624, 8022700), (2800, 7518416), (2870, 7335040), (2920, 7209440), (2993, 7033600), (3140, 6704320), (3200, 6578614), (3280, 6418160), (3650, 5767552), (3925, 5363456), (4088, 5149600), (4100, 5134528), (4396, 4788800), (4480, 4699010), (4592, 4584400), (4672, 4505900), (5024, 4190200), (5110, 4119680), (5248, 4011350), (5495, 3831040), (5600, 3759208), (5740, 3667520), (5840, 3604720), (5986, 3516800), (6280, 3352160), (6400, 3289307), (6437, 3270400), (6560, 3209080), (7175, 2934016), (7300, 2883776), (7850, 2681728), (8176, 2574800), (8200, 2567264), (8792, 2394400), (8960, 2349505), (9184, 2292200), (9344, 2252950), (10048, 2095100), (10220, 2059840), (10496, 2005675), (10990, 1915520), (11200, 1879604), (11461, 1836800), (11480, 1833760), (11680, 1802360), (11972, 1758400), (12560, 1676080), (12775, 1647872), (12874, 1635200), (13120, 1604540), (14350, 1467008), (14600, 1441888), (14965, 1406720), (15700, 1340864), (16352, 1287400), (16400, 1283632), (17584, 1197200), (18368, 1146100), (18688, 1126475), (20096, 1047550), (20440, 1029920), (20951, 1004800), (21980, 957760), (22400, 939802), (22922, 918400), (22960, 916880), (23360, 901180), (23944, 879200), (25120, 838040), (25550, 823936), (25748, 817600), (26240, 802270), (27475, 766208), (28700, 733504), (29200, 720944), (29930, 703360), (31400, 670432), (32185, 654080), (32704, 643700), (32800, 641816), (35168, 598600), (36736, 573050), (40192, 523775), (40880, 514960), (41902, 502400), (43960, 478880), (44800, 469901), (45059, 467200), (45844, 459200), (45920, 458440), (46720, 450590), (47888, 439600), (50240, 419020), (51100, 411968), (51496, 408800), (52480, 401135), (54950, 383104), (57305, 367360), (57400, 366752), (58400, 360472), (59860, 351680), (62800, 335216), (64370, 327040), (65408, 321850), (65600, 320908), (70336, 299300), (73472, 286525), (74825, 281344), (80227, 262400), (81760, 257480), (83804, 251200), (87920, 239440), (90118, 233600), (91688, 229600), (91840, 229220), (93440, 225295), (95776, 219800), (100480, 209510), (102200, 205984), (102992, 204400), (104755, 200960), (109900, 191552), (114610, 183680), (114800, 183376), (116800, 180236), (119720, 175840), (125600, 167608), (128740, 163520), (130816, 160925), (131200, 160454), (140672, 149650)]