21011610240

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{18517}}^1$

素因数の和:18739

約数の個数: 192

約数和(自身を含む): 72927957960

約数和(自身を除く): 51916347720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 197, 240, 288, 320, 360, 384, 394, 480, 576, 591, 640, 720, 788, 960, 985, 1152, 1182, 1440, 1576, 1773, 1920, 1970, 2364, 2880, 2955, 3152, 3546, 3940, 4728, 5760, 5910, 6304, 7092, 7880, 8865, 9456, 11820, 12608, 14184, 15760, 17730, 18517, 18912, 23640, 25216, 28368, 31520, 35460, 37034, 37824, 47280, 55551, 56736, 63040, 70920, 74068, 75648, 92585, 94560, 111102, 113472, 126080, 141840, 148136, 166653, 185170, 189120, 222204, 226944, 277755, 283680, 296272, 333306, 370340, 378240, 444408, 555510, 567360, 592544, 666612, 740680, 833265, 888816, 1111020, 1134720, 1185088, 1333224, 1481360, 1666530, 1777632, 2222040, 2370176, 2666448, 2962720, 3333060, 3555264, 3647849, 4444080, 5332896, 5925440, 6666120, 7110528, 7295698, 8888160, 10665792, 10943547, 11850880, 13332240, 14591396, 17776320, 18239245, 21331584, 21887094, 26664480, 29182792, 32830641, 35552640, 36478490, 43774188, 53328960, 54717735, 58365584, 65661282, 72956980, 87548376, 106657920, 109435470, 116731168, 131322564, 145913960, 164153205, 175096752, 218870940, 233462336, 262645128, 291827920, 328306410, 350193504, 437741880, 466924672, 525290256, 583655840, 656612820, 700387008, 875483760, 1050580512, 1167311680, 1313225640, 1400774016, 1750967520, 2101161024, 2334623360, 2626451280, 3501935040, 4202322048, 5252902560, 7003870080, 10505805120, 21011610240]

約数ペア:

[(1, 21011610240), (2, 10505805120), (3, 7003870080), (4, 5252902560), (5, 4202322048), (6, 3501935040), (8, 2626451280), (9, 2334623360), (10, 2101161024), (12, 1750967520), (15, 1400774016), (16, 1313225640), (18, 1167311680), (20, 1050580512), (24, 875483760), (30, 700387008), (32, 656612820), (36, 583655840), (40, 525290256), (45, 466924672), (48, 437741880), (60, 350193504), (64, 328306410), (72, 291827920), (80, 262645128), (90, 233462336), (96, 218870940), (120, 175096752), (128, 164153205), (144, 145913960), (160, 131322564), (180, 116731168), (192, 109435470), (197, 106657920), (240, 87548376), (288, 72956980), (320, 65661282), (360, 58365584), (384, 54717735), (394, 53328960), (480, 43774188), (576, 36478490), (591, 35552640), (640, 32830641), (720, 29182792), (788, 26664480), (960, 21887094), (985, 21331584), (1152, 18239245), (1182, 17776320), (1440, 14591396), (1576, 13332240), (1773, 11850880), (1920, 10943547), (1970, 10665792), (2364, 8888160), (2880, 7295698), (2955, 7110528), (3152, 6666120), (3546, 5925440), (3940, 5332896), (4728, 4444080), (5760, 3647849), (5910, 3555264), (6304, 3333060), (7092, 2962720), (7880, 2666448), (8865, 2370176), (9456, 2222040), (11820, 1777632), (12608, 1666530), (14184, 1481360), (15760, 1333224), (17730, 1185088), (18517, 1134720), (18912, 1111020), (23640, 888816), (25216, 833265), (28368, 740680), (31520, 666612), (35460, 592544), (37034, 567360), (37824, 555510), (47280, 444408), (55551, 378240), (56736, 370340), (63040, 333306), (70920, 296272), (74068, 283680), (75648, 277755), (92585, 226944), (94560, 222204), (111102, 189120), (113472, 185170), (126080, 166653), (141840, 148136)]