21079143540

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:718

約数の個数: 720

約数和(自身を含む): 86780719872

約数和(自身を除く): 65701576332

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 17, 18, 20, 21, 26, 27, 28, 30, 34, 35, 36, 39, 42, 45, 51, 52, 54, 60, 63, 65, 68, 70, 78, 81, 84, 85, 90, 91, 102, 105, 108, 117, 119, 126, 130, 135, 140, 153, 156, 162, 169, 170, 180, 182, 189, 195, 204, 210, 221, 234, 238, 252, 255, 260, 270, 273, 306, 315, 324, 338, 340, 351, 357, 364, 378, 390, 405, 420, 442, 455, 459, 468, 476, 507, 510, 540, 546, 567, 585, 595, 612, 630, 647, 663, 676, 702, 714, 756, 765, 780, 810, 819, 845, 884, 910, 918, 945, 1014, 1020, 1053, 1071, 1092, 1105, 1134, 1170, 1183, 1190, 1260, 1294, 1326, 1365, 1377, 1404, 1428, 1521, 1530, 1547, 1620, 1638, 1690, 1755, 1785, 1820, 1836, 1890, 1941, 1989, 2028, 2106, 2142, 2210, 2268, 2295, 2340, 2366, 2380, 2457, 2535, 2588, 2652, 2730, 2754, 2835, 2873, 3042, 3060, 3094, 3213, 3235, 3276, 3315, 3380, 3510, 3549, 3570, 3780, 3882, 3978, 4095, 4212, 4284, 4420, 4529, 4563, 4590, 4641, 4732, 4914, 5070, 5265, 5355, 5460, 5508, 5670, 5746, 5823, 5915, 5967, 6084, 6188, 6426, 6470, 6630, 6885, 7020, 7098, 7140, 7371, 7605, 7735, 7764, 7956, 8190, 8411, 8619, 9058, 9126, 9180, 9282, 9639, 9705, 9828, 9945, 10140, 10530, 10647, 10710, 10999, 11340, 11492, 11646, 11830, 11934, 12285, 12852, 12940, 13260, 13587, 13689, 13770, 13923, 14196, 14365, 14742, 15210, 15470, 16065, 16380, 16822, 17238, 17469, 17745, 17901, 18116, 18252, 18564, 19278, 19410, 19890, 20111, 21060, 21294, 21420, 21998, 22645, 22815, 23205, 23292, 23660, 23868, 24570, 25233, 25857, 27174, 27378, 27540, 27846, 28730, 29115, 29484, 29835, 30420, 30940, 31941, 32130, 32997, 33644, 34476, 34938, 35490, 35802, 36855, 38556, 38820, 39780, 40222, 40761, 41769, 42055, 42588, 43095, 43996, 45290, 45630, 46410, 48195, 49140, 50466, 51714, 52407, 53235, 54348, 54756, 54995, 55692, 57460, 58230, 58877, 59670, 60333, 63882, 64260, 65994, 67935, 68445, 69615, 69876, 70980, 71604, 73710, 75699, 76993, 77571, 80444, 81522, 83538, 84110, 86190, 87345, 89505, 90580, 91260, 92820, 95823, 96390, 98991, 100555, 100932, 103428, 104814, 106470, 109343, 109990, 116460, 117754, 119340, 120666, 122283, 125307, 126165, 127764, 129285, 131988, 135870, 136890, 139230, 142987, 147420, 151398, 153986, 155142, 159705, 163044, 164985, 167076, 168220, 172380, 174690, 176631, 179010, 180999, 191646, 192780, 197982, 201110, 203805, 208845, 209628, 212940, 218686, 219980, 227097, 230979, 232713, 235508, 241332, 244566, 250614, 252330, 258570, 262035, 271740, 273780, 278460, 285974, 294385, 296973, 301665, 302796, 307972, 310284, 319410, 328029, 329970, 349380, 353262, 358020, 361998, 366849, 378495, 383292, 384965, 387855, 395964, 402220, 407610, 417690, 428961, 437372, 454194, 461958, 465426, 479115, 489132, 494955, 501228, 504660, 517140, 524070, 529893, 542997, 546715, 571948, 588770, 593946, 603330, 611415, 626535, 638820, 656058, 659940, 681291, 692937, 706524, 714935, 723996, 733698, 756990, 765401, 769930, 775710, 815220, 835380, 857922, 883155, 890919, 904995, 908388, 923916, 930852, 958230, 984087, 989910, 1000909, 1048140, 1059786, 1085994, 1093430, 1135485, 1154895, 1163565, 1177540, 1187892, 1206660, 1222830, 1253070, 1286883, 1312116, 1362582, 1385874, 1429870, 1467396, 1484865, 1513980, 1530802, 1539860, 1551420, 1589679, 1628991, 1640145, 1715844, 1766310, 1781838, 1809990, 1834245, 1858831, 1916460, 1968174, 1979820, 2001818, 2078811, 2119572, 2144805, 2171988, 2186860, 2270970, 2296203, 2309790, 2327130, 2445660, 2506140, 2573766, 2649465, 2714985, 2725164, 2771748, 2859740, 2952261, 2969730, 3002727, 3061604, 3179358, 3257982, 3280290, 3406455, 3464685, 3532620, 3563676, 3619980, 3668490, 3717662, 3827005, 3860649, 3936348, 4003636, 4157622, 4289610, 4454595, 4541940, 4592406, 4619580, 4654260, 4769037, 4920435, 5004545, 5147532, 5298930, 5429970, 5576493, 5904522, 5939460, 6005454, 6236433, 6358716, 6434415, 6515964, 6560580, 6812910, 6888609, 6929370, 7336980, 7435324, 7654010, 7721298, 7948395, 8144955, 8315244, 8579220, 8856783, 8909190, 9008181, 9184812, 9294155, 9538074, 9840870, 10009090, 10394055, 10597860, 10859940, 11152986, 11481015, 11581947, 11809044, 12010908, 12472866, 12868830, 13011817, 13625820, 13777218, 13858740, 14761305, 15013635, 15308020, 15442596, 15896790, 16289910, 16729479, 17713566, 17818380, 18016362, 18588310, 19076148, 19303245, 19681740, 20018180, 20665827, 20788110, 22305972, 22962030, 23163894, 23845185, 24945732, 25737660, 26023634, 27024543, 27554436, 27882465, 29522610, 30027270, 31182165, 31793580, 32579820, 33458958, 34443045, 35427132, 36032724, 37176620, 38606490, 39035451, 41331654, 41576220, 44283915, 45040905, 45924060, 46327788, 47690370, 50188437, 52047268, 54049086, 55764930, 57909735, 59045220, 60054540, 61997481, 62364330, 65059085, 66917916, 68886090, 77212980, 78070902, 81073629, 82663308, 83647395, 88567830, 90081810, 95380740, 100376874, 103329135, 108098172, 111529860, 115819470, 117106353, 123994962, 124728660, 130118170, 135122715, 137772180, 150565311, 156141804, 162147258, 167294790, 177135660, 180163620, 195177255, 200753748, 206658270, 231638940, 234212706, 247989924, 250942185, 260236340, 270245430, 301130622, 309987405, 324294516, 334589580, 351319059, 390354510, 405368145, 413316540, 468425412, 501884370, 540490860, 585531765, 602261244, 619974810, 702638118, 752826555, 780709020, 810736290, 1003768740, 1053957177, 1171063530, 1239949620, 1405276236, 1505653110, 1621472580, 1756595295, 2107914354, 2342127060, 3011306220, 3513190590, 4215828708, 5269785885, 7026381180, 10539571770, 21079143540]

約数ペア:

[(1, 21079143540), (2, 10539571770), (3, 7026381180), (4, 5269785885), (5, 4215828708), (6, 3513190590), (7, 3011306220), (9, 2342127060), (10, 2107914354), (12, 1756595295), (13, 1621472580), (14, 1505653110), (15, 1405276236), (17, 1239949620), (18, 1171063530), (20, 1053957177), (21, 1003768740), (26, 810736290), (27, 780709020), (28, 752826555), (30, 702638118), (34, 619974810), (35, 602261244), (36, 585531765), (39, 540490860), (42, 501884370), (45, 468425412), (51, 413316540), (52, 405368145), (54, 390354510), (60, 351319059), (63, 334589580), (65, 324294516), (68, 309987405), (70, 301130622), (78, 270245430), (81, 260236340), (84, 250942185), (85, 247989924), (90, 234212706), (91, 231638940), (102, 206658270), (105, 200753748), (108, 195177255), (117, 180163620), (119, 177135660), (126, 167294790), (130, 162147258), (135, 156141804), (140, 150565311), (153, 137772180), (156, 135122715), (162, 130118170), (169, 124728660), (170, 123994962), (180, 117106353), (182, 115819470), (189, 111529860), (195, 108098172), (204, 103329135), (210, 100376874), (221, 95380740), (234, 90081810), (238, 88567830), (252, 83647395), (255, 82663308), (260, 81073629), (270, 78070902), (273, 77212980), (306, 68886090), (315, 66917916), (324, 65059085), (338, 62364330), (340, 61997481), (351, 60054540), (357, 59045220), (364, 57909735), (378, 55764930), (390, 54049086), (405, 52047268), (420, 50188437), (442, 47690370), (455, 46327788), (459, 45924060), (468, 45040905), (476, 44283915), (507, 41576220), (510, 41331654), (540, 39035451), (546, 38606490), (567, 37176620), (585, 36032724), (595, 35427132), (612, 34443045), (630, 33458958), (647, 32579820), (663, 31793580), (676, 31182165), (702, 30027270), (714, 29522610), (756, 27882465), (765, 27554436), (780, 27024543), (810, 26023634), (819, 25737660), (845, 24945732), (884, 23845185), (910, 23163894), (918, 22962030), (945, 22305972), (1014, 20788110), (1020, 20665827), (1053, 20018180), (1071, 19681740), (1092, 19303245), (1105, 19076148), (1134, 18588310), (1170, 18016362), (1183, 17818380), (1190, 17713566), (1260, 16729479), (1294, 16289910), (1326, 15896790), (1365, 15442596), (1377, 15308020), (1404, 15013635), (1428, 14761305), (1521, 13858740), (1530, 13777218), (1547, 13625820), (1620, 13011817), (1638, 12868830), (1690, 12472866), (1755, 12010908), (1785, 11809044), (1820, 11581947), (1836, 11481015), (1890, 11152986), (1941, 10859940), (1989, 10597860), (2028, 10394055), (2106, 10009090), (2142, 9840870), (2210, 9538074), (2268, 9294155), (2295, 9184812), (2340, 9008181), (2366, 8909190), (2380, 8856783), (2457, 8579220), (2535, 8315244), (2588, 8144955), (2652, 7948395), (2730, 7721298), (2754, 7654010), (2835, 7435324), (2873, 7336980), (3042, 6929370), (3060, 6888609), (3094, 6812910), (3213, 6560580), (3235, 6515964), (3276, 6434415), (3315, 6358716), (3380, 6236433), (3510, 6005454), (3549, 5939460), (3570, 5904522), (3780, 5576493), (3882, 5429970), (3978, 5298930), (4095, 5147532), (4212, 5004545), (4284, 4920435), (4420, 4769037), (4529, 4654260), (4563, 4619580), (4590, 4592406), (4641, 4541940), (4732, 4454595), (4914, 4289610), (5070, 4157622), (5265, 4003636), (5355, 3936348), (5460, 3860649), (5508, 3827005), (5670, 3717662), (5746, 3668490), (5823, 3619980), (5915, 3563676), (5967, 3532620), (6084, 3464685), (6188, 3406455), (6426, 3280290), (6470, 3257982), (6630, 3179358), (6885, 3061604), (7020, 3002727), (7098, 2969730), (7140, 2952261), (7371, 2859740), (7605, 2771748), (7735, 2725164), (7764, 2714985), (7956, 2649465), (8190, 2573766), (8411, 2506140), (8619, 2445660), (9058, 2327130), (9126, 2309790), (9180, 2296203), (9282, 2270970), (9639, 2186860), (9705, 2171988), (9828, 2144805), (9945, 2119572), (10140, 2078811), (10530, 2001818), (10647, 1979820), (10710, 1968174), (10999, 1916460), (11340, 1858831), (11492, 1834245), (11646, 1809990), (11830, 1781838), (11934, 1766310), (12285, 1715844), (12852, 1640145), (12940, 1628991), (13260, 1589679), (13587, 1551420), (13689, 1539860), (13770, 1530802), (13923, 1513980), (14196, 1484865), (14365, 1467396), (14742, 1429870), (15210, 1385874), (15470, 1362582), (16065, 1312116), (16380, 1286883), (16822, 1253070), (17238, 1222830), (17469, 1206660), (17745, 1187892), (17901, 1177540), (18116, 1163565), (18252, 1154895), (18564, 1135485), (19278, 1093430), (19410, 1085994), (19890, 1059786), (20111, 1048140), (21060, 1000909), (21294, 989910), (21420, 984087), (21998, 958230), (22645, 930852), (22815, 923916), (23205, 908388), (23292, 904995), (23660, 890919), (23868, 883155), (24570, 857922), (25233, 835380), (25857, 815220), (27174, 775710), (27378, 769930), (27540, 765401), (27846, 756990), (28730, 733698), (29115, 723996), (29484, 714935), (29835, 706524), (30420, 692937), (30940, 681291), (31941, 659940), (32130, 656058), (32997, 638820), (33644, 626535), (34476, 611415), (34938, 603330), (35490, 593946), (35802, 588770), (36855, 571948), (38556, 546715), (38820, 542997), (39780, 529893), (40222, 524070), (40761, 517140), (41769, 504660), (42055, 501228), (42588, 494955), (43095, 489132), (43996, 479115), (45290, 465426), (45630, 461958), (46410, 454194), (48195, 437372), (49140, 428961), (50466, 417690), (51714, 407610), (52407, 402220), (53235, 395964), (54348, 387855), (54756, 384965), (54995, 383292), (55692, 378495), (57460, 366849), (58230, 361998), (58877, 358020), (59670, 353262), (60333, 349380), (63882, 329970), (64260, 328029), (65994, 319410), (67935, 310284), (68445, 307972), (69615, 302796), (69876, 301665), (70980, 296973), (71604, 294385), (73710, 285974), (75699, 278460), (76993, 273780), (77571, 271740), (80444, 262035), (81522, 258570), (83538, 252330), (84110, 250614), (86190, 244566), (87345, 241332), (89505, 235508), (90580, 232713), (91260, 230979), (92820, 227097), (95823, 219980), (96390, 218686), (98991, 212940), (100555, 209628), (100932, 208845), (103428, 203805), (104814, 201110), (106470, 197982), (109343, 192780), (109990, 191646), (116460, 180999), (117754, 179010), (119340, 176631), (120666, 174690), (122283, 172380), (125307, 168220), (126165, 167076), (127764, 164985), (129285, 163044), (131988, 159705), (135870, 155142), (136890, 153986), (139230, 151398), (142987, 147420)]