21049721680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:334

約数の個数: 320

約数和(自身を含む): 56444387328

約数和(自身を除く): 35394665648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 53, 62, 65, 80, 97, 104, 106, 124, 127, 130, 155, 194, 208, 212, 248, 254, 260, 265, 310, 388, 403, 424, 485, 496, 508, 520, 530, 620, 635, 689, 776, 806, 848, 970, 1016, 1040, 1060, 1240, 1261, 1270, 1378, 1552, 1612, 1643, 1651, 1940, 2015, 2032, 2120, 2480, 2522, 2540, 2756, 3007, 3224, 3286, 3302, 3445, 3880, 3937, 4030, 4240, 5044, 5080, 5141, 5512, 6014, 6305, 6448, 6572, 6604, 6731, 6890, 7760, 7874, 8060, 8215, 8255, 10088, 10160, 10282, 11024, 12028, 12319, 12610, 13144, 13208, 13462, 13780, 15035, 15748, 16120, 16430, 16510, 19685, 20176, 20564, 21359, 24056, 24638, 25220, 25705, 26288, 26416, 26924, 27560, 30070, 31496, 32240, 32860, 33020, 33655, 39091, 39370, 41128, 42718, 48112, 49276, 50440, 51181, 51410, 53848, 55120, 60140, 61595, 62992, 65720, 66040, 66833, 67310, 78182, 78740, 82256, 85436, 87503, 98552, 100880, 102362, 102820, 106795, 107696, 120280, 123190, 131440, 132080, 133666, 134620, 156364, 157480, 159371, 160147, 170872, 175006, 195455, 197104, 204724, 205640, 208661, 213590, 240560, 246380, 255905, 267332, 269240, 312728, 314960, 318742, 320294, 334165, 341744, 350012, 381889, 390910, 409448, 411280, 417322, 427180, 437515, 492760, 511810, 534664, 538480, 625456, 637484, 640588, 652907, 668330, 700024, 763778, 781820, 796855, 800735, 818896, 834644, 854360, 875030, 985520, 1023620, 1043305, 1069328, 1274968, 1281176, 1305814, 1336660, 1400048, 1527556, 1563640, 1593710, 1601470, 1669288, 1708720, 1750060, 1909445, 2047240, 2071823, 2086610, 2549936, 2562352, 2611628, 2673320, 2712593, 3055112, 3127280, 3187420, 3202940, 3264535, 3338576, 3500120, 3818890, 4094480, 4143646, 4173220, 4964557, 5223256, 5346640, 5425186, 6110224, 6374840, 6405880, 6529070, 7000240, 7637780, 8287292, 8346440, 8487791, 9929114, 10359115, 10446512, 10850372, 12749680, 12811760, 13058140, 13562965, 15275560, 16574584, 16692880, 16975582, 19858228, 20240117, 20718230, 21700744, 24822785, 26116280, 27125930, 30551120, 33149168, 33951164, 39716456, 40480234, 41436460, 42438955, 43401488, 49645570, 52232560, 54251860, 67902328, 79432912, 80960468, 82872920, 84877910, 99291140, 101200585, 108503720, 135804656, 161920936, 165745840, 169755820, 198582280, 202401170, 217007440, 263121521, 323841872, 339511640, 397164560, 404802340, 526243042, 679023280, 809604680, 1052486084, 1315607605, 1619209360, 2104972168, 2631215210, 4209944336, 5262430420, 10524860840, 21049721680]

約数ペア:

[(1, 21049721680), (2, 10524860840), (4, 5262430420), (5, 4209944336), (8, 2631215210), (10, 2104972168), (13, 1619209360), (16, 1315607605), (20, 1052486084), (26, 809604680), (31, 679023280), (40, 526243042), (52, 404802340), (53, 397164560), (62, 339511640), (65, 323841872), (80, 263121521), (97, 217007440), (104, 202401170), (106, 198582280), (124, 169755820), (127, 165745840), (130, 161920936), (155, 135804656), (194, 108503720), (208, 101200585), (212, 99291140), (248, 84877910), (254, 82872920), (260, 80960468), (265, 79432912), (310, 67902328), (388, 54251860), (403, 52232560), (424, 49645570), (485, 43401488), (496, 42438955), (508, 41436460), (520, 40480234), (530, 39716456), (620, 33951164), (635, 33149168), (689, 30551120), (776, 27125930), (806, 26116280), (848, 24822785), (970, 21700744), (1016, 20718230), (1040, 20240117), (1060, 19858228), (1240, 16975582), (1261, 16692880), (1270, 16574584), (1378, 15275560), (1552, 13562965), (1612, 13058140), (1643, 12811760), (1651, 12749680), (1940, 10850372), (2015, 10446512), (2032, 10359115), (2120, 9929114), (2480, 8487791), (2522, 8346440), (2540, 8287292), (2756, 7637780), (3007, 7000240), (3224, 6529070), (3286, 6405880), (3302, 6374840), (3445, 6110224), (3880, 5425186), (3937, 5346640), (4030, 5223256), (4240, 4964557), (5044, 4173220), (5080, 4143646), (5141, 4094480), (5512, 3818890), (6014, 3500120), (6305, 3338576), (6448, 3264535), (6572, 3202940), (6604, 3187420), (6731, 3127280), (6890, 3055112), (7760, 2712593), (7874, 2673320), (8060, 2611628), (8215, 2562352), (8255, 2549936), (10088, 2086610), (10160, 2071823), (10282, 2047240), (11024, 1909445), (12028, 1750060), (12319, 1708720), (12610, 1669288), (13144, 1601470), (13208, 1593710), (13462, 1563640), (13780, 1527556), (15035, 1400048), (15748, 1336660), (16120, 1305814), (16430, 1281176), (16510, 1274968), (19685, 1069328), (20176, 1043305), (20564, 1023620), (21359, 985520), (24056, 875030), (24638, 854360), (25220, 834644), (25705, 818896), (26288, 800735), (26416, 796855), (26924, 781820), (27560, 763778), (30070, 700024), (31496, 668330), (32240, 652907), (32860, 640588), (33020, 637484), (33655, 625456), (39091, 538480), (39370, 534664), (41128, 511810), (42718, 492760), (48112, 437515), (49276, 427180), (50440, 417322), (51181, 411280), (51410, 409448), (53848, 390910), (55120, 381889), (60140, 350012), (61595, 341744), (62992, 334165), (65720, 320294), (66040, 318742), (66833, 314960), (67310, 312728), (78182, 269240), (78740, 267332), (82256, 255905), (85436, 246380), (87503, 240560), (98552, 213590), (100880, 208661), (102362, 205640), (102820, 204724), (106795, 197104), (107696, 195455), (120280, 175006), (123190, 170872), (131440, 160147), (132080, 159371), (133666, 157480), (134620, 156364)]