21171281670

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{31}}^2$

素因数の和:138

約数の個数: 648

約数和(自身を含む): 75900582576

約数和(自身を除く): 54729300906

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 17, 18, 21, 22, 30, 31, 33, 34, 35, 42, 45, 51, 55, 62, 63, 66, 70, 77, 85, 90, 93, 99, 102, 105, 110, 119, 121, 126, 153, 154, 155, 165, 170, 186, 187, 198, 210, 217, 231, 238, 242, 255, 279, 289, 306, 310, 315, 330, 341, 357, 363, 374, 385, 434, 462, 465, 495, 510, 527, 558, 561, 578, 595, 605, 630, 651, 682, 693, 714, 726, 765, 770, 847, 867, 930, 935, 961, 990, 1023, 1054, 1071, 1085, 1089, 1122, 1155, 1190, 1210, 1302, 1309, 1386, 1395, 1445, 1530, 1581, 1683, 1694, 1705, 1734, 1785, 1815, 1870, 1922, 1953, 2023, 2046, 2057, 2142, 2170, 2178, 2310, 2387, 2541, 2601, 2618, 2635, 2790, 2805, 2883, 2890, 3069, 3162, 3179, 3255, 3366, 3410, 3465, 3570, 3630, 3689, 3751, 3906, 3927, 4046, 4114, 4235, 4335, 4743, 4774, 4805, 5082, 5115, 5202, 5270, 5355, 5445, 5610, 5766, 5797, 6069, 6138, 6171, 6358, 6510, 6545, 6727, 6930, 7161, 7378, 7502, 7623, 7854, 7905, 8415, 8470, 8649, 8670, 8959, 9486, 9537, 9610, 9765, 10115, 10230, 10285, 10571, 10710, 10890, 11067, 11253, 11594, 11781, 11935, 12138, 12342, 12705, 13005, 13090, 13454, 14322, 14399, 14415, 15246, 15345, 15810, 15895, 16337, 16830, 17298, 17391, 17918, 18207, 18445, 18513, 18755, 19074, 19530, 19635, 20181, 20230, 20570, 21142, 21483, 22134, 22253, 22506, 23562, 23715, 23870, 25410, 26010, 26257, 26877, 28611, 28798, 28830, 28985, 30345, 30690, 30855, 31713, 31790, 32674, 33201, 33635, 33759, 34782, 34969, 35805, 36414, 36890, 37026, 37510, 38115, 39270, 40362, 40579, 42966, 43197, 43245, 44506, 44795, 47430, 47685, 49011, 52173, 52514, 52855, 53754, 55335, 56265, 57222, 57970, 58905, 60543, 60690, 61710, 62713, 63426, 63767, 66402, 66759, 67270, 67518, 69938, 71610, 71995, 73997, 76230, 78771, 80631, 81158, 81685, 86394, 86490, 86955, 89590, 91035, 92565, 95139, 95370, 98022, 98549, 100905, 104346, 104907, 105710, 107415, 110670, 111265, 112530, 114359, 116281, 117810, 121086, 121737, 125426, 127534, 129591, 131285, 133518, 134385, 143055, 143990, 147033, 147994, 157542, 158565, 161262, 163370, 166005, 168795, 173910, 174845, 179707, 182070, 185130, 188139, 190278, 191301, 197098, 200277, 201810, 202895, 209814, 214830, 215985, 221991, 222530, 228718, 232562, 236313, 243474, 244783, 245055, 259182, 260865, 262570, 268770, 277729, 286110, 294066, 295647, 302715, 313565, 314721, 317130, 318835, 332010, 333795, 337590, 343077, 348843, 349690, 359414, 365211, 369985, 376278, 382602, 393855, 400554, 403155, 405790, 431970, 443982, 446369, 472626, 475695, 489566, 490110, 492745, 521730, 524535, 539121, 555458, 564417, 571795, 573903, 581405, 591294, 605430, 608685, 627130, 629442, 637670, 647955, 665973, 667590, 686154, 689843, 697686, 730422, 734349, 735165, 739970, 787710, 806310, 813967, 833187, 886941, 892738, 898535, 940695, 951390, 956505, 985490, 1001385, 1029231, 1046529, 1049070, 1078242, 1084039, 1109955, 1128834, 1143590, 1147806, 1162810, 1181565, 1217370, 1223915, 1257949, 1295910, 1331946, 1339107, 1379686, 1388645, 1468698, 1470330, 1478235, 1573605, 1617363, 1627934, 1666374, 1715385, 1744215, 1773882, 1797070, 1826055, 1881390, 1913010, 1944103, 1976777, 2002770, 2058462, 2069529, 2093058, 2168078, 2203047, 2219910, 2231845, 2363130, 2441901, 2447830, 2499561, 2515898, 2678214, 2695605, 2777290, 2822085, 2869515, 2956470, 3055019, 3147210, 3234726, 3252117, 3329865, 3430770, 3449215, 3488430, 3652110, 3671745, 3773847, 3888206, 3953554, 4017321, 4069835, 4139058, 4165935, 4406094, 4434705, 4463690, 4883802, 4999122, 5146155, 5232645, 5391210, 5420195, 5644170, 5739030, 5832309, 5930331, 6110038, 6208587, 6289745, 6504234, 6659730, 6695535, 6898430, 7325703, 7343490, 7547694, 7588273, 8034642, 8086815, 8139670, 8331870, 8869410, 9165057, 9720515, 9756351, 9883885, 10292310, 10347645, 10465290, 10840390, 11015235, 11321541, 11664618, 11860662, 12209505, 12417174, 12497805, 12579490, 13391070, 13837439, 14651406, 15176546, 15275095, 16173630, 16260585, 17496927, 17790993, 18330114, 18869235, 19441030, 19512702, 19767770, 20086605, 20695290, 21385133, 22030470, 22643082, 22764819, 24419010, 24995610, 27495171, 27674878, 29161545, 29651655, 30550190, 31042935, 32521170, 33605209, 34993854, 35581986, 36628515, 37738470, 37941365, 40173210, 41512317, 42770266, 45529638, 45825285, 48781755, 54990342, 56607705, 58323090, 59303310, 62085870, 64155399, 67210418, 68294457, 69187195, 73257030, 75882730, 83024634, 87484635, 88954965, 91650570, 97563510, 100815627, 106925665, 113215410, 113824095, 124536951, 128310798, 136588914, 137475855, 138374390, 168026045, 174969270, 177909930, 192466197, 201631254, 207561585, 213851330, 227648190, 235236463, 249073902, 274951710, 302446881, 320776995, 336052090, 341472285, 384932394, 415123170, 470472926, 504078135, 604893762, 622684755, 641553990, 682944570, 705709389, 962330985, 1008156270, 1176182315, 1245369510, 1411418778, 1512234405, 1924661970, 2117128167, 2352364630, 3024468810, 3528546945, 4234256334, 7057093890, 10585640835, 21171281670]

約数ペア:

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(8415, 2515898), (8470, 2499561), (8649, 2447830), (8670, 2441901), (8959, 2363130), (9486, 2231845), (9537, 2219910), (9610, 2203047), (9765, 2168078), (10115, 2093058), (10230, 2069529), (10285, 2058462), (10571, 2002770), (10710, 1976777), (10890, 1944103), (11067, 1913010), (11253, 1881390), (11594, 1826055), (11781, 1797070), (11935, 1773882), (12138, 1744215), (12342, 1715385), (12705, 1666374), (13005, 1627934), (13090, 1617363), (13454, 1573605), (14322, 1478235), (14399, 1470330), (14415, 1468698), (15246, 1388645), (15345, 1379686), (15810, 1339107), (15895, 1331946), (16337, 1295910), (16830, 1257949), (17298, 1223915), (17391, 1217370), (17918, 1181565), (18207, 1162810), (18445, 1147806), (18513, 1143590), (18755, 1128834), (19074, 1109955), (19530, 1084039), (19635, 1078242), (20181, 1049070), (20230, 1046529), (20570, 1029231), (21142, 1001385), (21483, 985490), (22134, 956505), (22253, 951390), (22506, 940695), (23562, 898535), (23715, 892738), (23870, 886941), (25410, 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