21000944790

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:617

約数の個数: 384

約数和(自身を含む): 68080435200

約数和(自身を除く): 47079490410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 29, 30, 35, 42, 45, 49, 54, 58, 63, 70, 87, 90, 98, 105, 126, 127, 135, 145, 147, 174, 189, 203, 210, 245, 254, 261, 270, 290, 294, 315, 378, 381, 406, 431, 435, 441, 490, 522, 609, 630, 635, 735, 762, 783, 862, 870, 882, 889, 945, 1015, 1143, 1218, 1270, 1293, 1305, 1323, 1421, 1470, 1566, 1778, 1827, 1890, 1905, 2030, 2155, 2205, 2286, 2586, 2610, 2646, 2667, 2842, 3017, 3045, 3429, 3654, 3683, 3810, 3879, 3915, 4263, 4310, 4410, 4445, 5334, 5481, 5715, 6034, 6090, 6223, 6465, 6615, 6858, 7105, 7366, 7758, 7830, 8001, 8526, 8890, 9051, 9135, 10962, 11049, 11430, 11637, 12446, 12499, 12789, 12930, 13230, 13335, 14210, 15085, 16002, 17145, 18102, 18270, 18415, 18669, 19395, 21119, 21315, 22098, 23274, 24003, 24998, 25578, 25781, 26670, 27153, 27405, 30170, 31115, 33147, 34290, 36830, 37338, 37497, 38367, 38790, 40005, 42238, 42630, 45255, 48006, 51562, 54306, 54737, 54810, 55245, 56007, 58185, 62230, 62495, 63357, 63945, 66294, 74994, 76734, 77343, 80010, 81459, 87493, 90510, 93345, 99441, 105595, 109474, 110490, 112014, 112491, 116370, 120015, 124990, 126714, 127890, 128905, 135765, 154686, 162918, 164211, 165735, 168021, 174986, 180467, 186690, 187485, 190071, 191835, 198882, 211190, 224982, 232029, 240030, 257810, 262479, 271530, 273685, 280035, 316785, 328422, 331470, 336042, 337473, 360934, 374970, 380142, 383159, 383670, 386715, 407295, 437465, 464058, 492633, 497205, 524958, 541401, 547370, 560070, 562455, 570213, 612451, 633570, 674946, 696087, 766318, 773430, 787437, 814590, 821055, 840105, 874930, 902335, 950355, 985266, 994410, 1082802, 1124910, 1140426, 1149477, 1160145, 1224902, 1312395, 1392174, 1477899, 1574874, 1587373, 1624203, 1642110, 1680210, 1687365, 1804670, 1837353, 1900710, 1915795, 2298954, 2320290, 2362311, 2463165, 2624790, 2682113, 2707005, 2851065, 2955798, 3062255, 3174746, 3248406, 3374730, 3448431, 3480435, 3674706, 3831590, 3937185, 4724622, 4762119, 4872609, 4926330, 5364226, 5414010, 5512059, 5702130, 5747385, 6124510, 6896862, 6960870, 7389495, 7874370, 7936865, 8046339, 8121015, 9186765, 9524238, 9745218, 10345293, 11024118, 11111611, 11494770, 11811555, 13410565, 14286357, 14778990, 15873730, 16092678, 16242030, 16536177, 17242155, 18373530, 20690586, 22223222, 23623110, 23810595, 24139017, 24363045, 26821130, 27560295, 28572714, 33072354, 33334833, 34484310, 40231695, 42859071, 47621190, 48278034, 48726090, 51726465, 55120590, 55558055, 66669666, 71431785, 72417051, 77781277, 80463390, 82680885, 85718142, 100004499, 103452930, 111116110, 120695085, 142863570, 144834102, 155562554, 165361770, 166674165, 200008998, 214295355, 233343831, 241390170, 300013497, 333348330, 362085255, 388906385, 428590710, 466687662, 500022495, 600026994, 700031493, 724170510, 777812770, 1000044990, 1166719155, 1400062986, 1500067485, 2100094479, 2333438310, 3000134970, 3500157465, 4200188958, 7000314930, 10500472395, 21000944790]

約数ペア:

[(1, 21000944790), (2, 10500472395), (3, 7000314930), (5, 4200188958), (6, 3500157465), (7, 3000134970), (9, 2333438310), (10, 2100094479), (14, 1500067485), (15, 1400062986), (18, 1166719155), (21, 1000044990), (27, 777812770), (29, 724170510), (30, 700031493), (35, 600026994), (42, 500022495), (45, 466687662), (49, 428590710), (54, 388906385), (58, 362085255), (63, 333348330), (70, 300013497), (87, 241390170), (90, 233343831), (98, 214295355), (105, 200008998), (126, 166674165), (127, 165361770), (135, 155562554), (145, 144834102), (147, 142863570), (174, 120695085), (189, 111116110), (203, 103452930), (210, 100004499), (245, 85718142), (254, 82680885), (261, 80463390), (270, 77781277), (290, 72417051), (294, 71431785), (315, 66669666), (378, 55558055), (381, 55120590), (406, 51726465), (431, 48726090), (435, 48278034), (441, 47621190), (490, 42859071), (522, 40231695), (609, 34484310), (630, 33334833), (635, 33072354), (735, 28572714), (762, 27560295), (783, 26821130), (862, 24363045), (870, 24139017), (882, 23810595), (889, 23623110), (945, 22223222), (1015, 20690586), (1143, 18373530), (1218, 17242155), (1270, 16536177), (1293, 16242030), (1305, 16092678), (1323, 15873730), (1421, 14778990), (1470, 14286357), (1566, 13410565), (1778, 11811555), (1827, 11494770), (1890, 11111611), (1905, 11024118), (2030, 10345293), (2155, 9745218), (2205, 9524238), (2286, 9186765), (2586, 8121015), (2610, 8046339), (2646, 7936865), (2667, 7874370), (2842, 7389495), (3017, 6960870), (3045, 6896862), (3429, 6124510), (3654, 5747385), (3683, 5702130), (3810, 5512059), (3879, 5414010), (3915, 5364226), (4263, 4926330), (4310, 4872609), (4410, 4762119), (4445, 4724622), (5334, 3937185), (5481, 3831590), (5715, 3674706), (6034, 3480435), (6090, 3448431), (6223, 3374730), (6465, 3248406), (6615, 3174746), (6858, 3062255), (7105, 2955798), (7366, 2851065), (7758, 2707005), (7830, 2682113), (8001, 2624790), (8526, 2463165), (8890, 2362311), (9051, 2320290), (9135, 2298954), (10962, 1915795), (11049, 1900710), (11430, 1837353), (11637, 1804670), (12446, 1687365), (12499, 1680210), (12789, 1642110), (12930, 1624203), (13230, 1587373), (13335, 1574874), (14210, 1477899), (15085, 1392174), (16002, 1312395), (17145, 1224902), (18102, 1160145), (18270, 1149477), (18415, 1140426), (18669, 1124910), (19395, 1082802), (21119, 994410), (21315, 985266), (22098, 950355), (23274, 902335), (24003, 874930), (24998, 840105), (25578, 821055), (25781, 814590), (26670, 787437), (27153, 773430), (27405, 766318), (30170, 696087), (31115, 674946), (33147, 633570), (34290, 612451), (36830, 570213), (37338, 562455), (37497, 560070), (38367, 547370), (38790, 541401), (40005, 524958), (42238, 497205), (42630, 492633), (45255, 464058), (48006, 437465), (51562, 407295), (54306, 386715), (54737, 383670), (54810, 383159), (55245, 380142), (56007, 374970), (58185, 360934), (62230, 337473), (62495, 336042), (63357, 331470), (63945, 328422), (66294, 316785), (74994, 280035), (76734, 273685), (77343, 271530), (80010, 262479), (81459, 257810), (87493, 240030), (90510, 232029), (93345, 224982), (99441, 211190), (105595, 198882), (109474, 191835), (110490, 190071), (112014, 187485), (112491, 186690), (116370, 180467), (120015, 174986), (124990, 168021), (126714, 165735), (127890, 164211), (128905, 162918), (135765, 154686)]