21890107512

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1997}}^1$

素因数の和:2275

約数の個数: 288

約数和(自身を含む): 74618107200

約数和(自身を除く): 52727999688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 49, 52, 56, 63, 72, 78, 84, 91, 98, 104, 117, 126, 147, 156, 168, 182, 196, 234, 239, 252, 273, 294, 312, 364, 392, 441, 468, 478, 504, 546, 588, 637, 717, 728, 819, 882, 936, 956, 1092, 1176, 1274, 1434, 1638, 1673, 1764, 1911, 1912, 1997, 2151, 2184, 2548, 2868, 3107, 3276, 3346, 3528, 3822, 3994, 4302, 5019, 5096, 5733, 5736, 5991, 6214, 6552, 6692, 7644, 7988, 8604, 9321, 10038, 11466, 11711, 11982, 12428, 13384, 13979, 15057, 15288, 15976, 17208, 17973, 18642, 20076, 21749, 22932, 23422, 23964, 24856, 25961, 27958, 27963, 30114, 35133, 35946, 37284, 40152, 41937, 43498, 45864, 46844, 47928, 51922, 55916, 55926, 60228, 65247, 70266, 71892, 74568, 77883, 83874, 86996, 93688, 97853, 103844, 105399, 111832, 111852, 120456, 125811, 130494, 140532, 143784, 152243, 155766, 167748, 173992, 181727, 195706, 195741, 207688, 210798, 223704, 233649, 251622, 260988, 281064, 293559, 304486, 311532, 335496, 363454, 391412, 391482, 421596, 456729, 467298, 477283, 503244, 521976, 545181, 587118, 608972, 623064, 726908, 782824, 782964, 843192, 880677, 913458, 934596, 954566, 1006488, 1090362, 1174236, 1217944, 1272089, 1370187, 1431849, 1453816, 1565928, 1635543, 1761354, 1826916, 1869192, 1909132, 2180724, 2348472, 2544178, 2740374, 2863698, 3271086, 3340981, 3522708, 3653832, 3816267, 3818264, 4295547, 4361448, 5088356, 5480748, 5727396, 6204679, 6542172, 6681962, 7045416, 7632534, 8591094, 10022943, 10176712, 10961496, 11448801, 11454792, 12409358, 13084344, 13363924, 15265068, 17182188, 18614037, 20045886, 22897602, 23386867, 24818716, 26727848, 30068829, 30530136, 34364376, 37228074, 40091772, 43432753, 45795204, 46773734, 49637432, 55842111, 60137658, 70160601, 74456148, 80183544, 86865506, 91590408, 93547468, 111684222, 120275316, 130298259, 140321202, 148912296, 173731012, 187094936, 210481803, 223368444, 240550632, 260596518, 280642404, 304029271, 347462024, 390894777, 420963606, 446736888, 521193036, 561284808, 608058542, 781789554, 841927212, 912087813, 1042386072, 1216117084, 1563579108, 1683854424, 1824175626, 2432234168, 2736263439, 3127158216, 3648351252, 5472526878, 7296702504, 10945053756, 21890107512]

約数ペア:

[(1, 21890107512), (2, 10945053756), (3, 7296702504), (4, 5472526878), (6, 3648351252), (7, 3127158216), (8, 2736263439), (9, 2432234168), (12, 1824175626), (13, 1683854424), (14, 1563579108), (18, 1216117084), (21, 1042386072), (24, 912087813), (26, 841927212), (28, 781789554), (36, 608058542), (39, 561284808), (42, 521193036), (49, 446736888), (52, 420963606), (56, 390894777), (63, 347462024), (72, 304029271), (78, 280642404), (84, 260596518), (91, 240550632), (98, 223368444), (104, 210481803), (117, 187094936), (126, 173731012), (147, 148912296), (156, 140321202), (168, 130298259), (182, 120275316), (196, 111684222), (234, 93547468), (239, 91590408), (252, 86865506), (273, 80183544), (294, 74456148), (312, 70160601), (364, 60137658), (392, 55842111), (441, 49637432), (468, 46773734), (478, 45795204), (504, 43432753), (546, 40091772), (588, 37228074), (637, 34364376), (717, 30530136), (728, 30068829), (819, 26727848), (882, 24818716), (936, 23386867), (956, 22897602), (1092, 20045886), (1176, 18614037), (1274, 17182188), (1434, 15265068), (1638, 13363924), (1673, 13084344), (1764, 12409358), (1911, 11454792), (1912, 11448801), (1997, 10961496), (2151, 10176712), (2184, 10022943), (2548, 8591094), (2868, 7632534), (3107, 7045416), (3276, 6681962), (3346, 6542172), (3528, 6204679), (3822, 5727396), (3994, 5480748), (4302, 5088356), (5019, 4361448), (5096, 4295547), (5733, 3818264), (5736, 3816267), (5991, 3653832), (6214, 3522708), (6552, 3340981), (6692, 3271086), (7644, 2863698), (7988, 2740374), (8604, 2544178), (9321, 2348472), (10038, 2180724), (11466, 1909132), (11711, 1869192), (11982, 1826916), (12428, 1761354), (13384, 1635543), (13979, 1565928), (15057, 1453816), (15288, 1431849), (15976, 1370187), (17208, 1272089), (17973, 1217944), (18642, 1174236), (20076, 1090362), (21749, 1006488), (22932, 954566), (23422, 934596), (23964, 913458), (24856, 880677), (25961, 843192), (27958, 782964), (27963, 782824), (30114, 726908), (35133, 623064), (35946, 608972), (37284, 587118), (40152, 545181), (41937, 521976), (43498, 503244), (45864, 477283), (46844, 467298), (47928, 456729), (51922, 421596), (55916, 391482), (55926, 391412), (60228, 363454), (65247, 335496), (70266, 311532), (71892, 304486), (74568, 293559), (77883, 281064), (83874, 260988), (86996, 251622), (93688, 233649), (97853, 223704), (103844, 210798), (105399, 207688), (111832, 195741), (111852, 195706), (120456, 181727), (125811, 173992), (130494, 167748), (140532, 155766), (143784, 152243)]