21127780960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:838

約数の個数: 288

約数和(自身を含む): 59640247296

約数和(自身を除く): 38512466336

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 127, 130, 143, 160, 176, 208, 220, 242, 254, 260, 286, 352, 416, 440, 484, 508, 520, 572, 605, 635, 661, 715, 880, 968, 1016, 1040, 1144, 1210, 1270, 1322, 1397, 1430, 1573, 1651, 1760, 1936, 2032, 2080, 2288, 2420, 2540, 2644, 2794, 2860, 3146, 3302, 3305, 3872, 4064, 4576, 4840, 5080, 5288, 5588, 5720, 6292, 6604, 6610, 6985, 7271, 7865, 8255, 8593, 9680, 10160, 10576, 11176, 11440, 12584, 13208, 13220, 13970, 14542, 15367, 15730, 16510, 17186, 18161, 19360, 20320, 21152, 22352, 22880, 25168, 26416, 26440, 27940, 29084, 30734, 31460, 33020, 34372, 36322, 36355, 42965, 44704, 50336, 52832, 52880, 55880, 58168, 61468, 62920, 66040, 68744, 72644, 72710, 76835, 79981, 83947, 85930, 90805, 94523, 105760, 111760, 116336, 122936, 125840, 132080, 137488, 145288, 145420, 153670, 159962, 167894, 171860, 181610, 189046, 199771, 223520, 232672, 245872, 251680, 264160, 274976, 290576, 290840, 307340, 319924, 335788, 343720, 363220, 378092, 399542, 399905, 419735, 472615, 491744, 581152, 581680, 614680, 639848, 671576, 687440, 726440, 756184, 799084, 799810, 839470, 923417, 945230, 998855, 1039753, 1091311, 1163360, 1229360, 1279696, 1343152, 1374880, 1452880, 1512368, 1598168, 1599620, 1678940, 1846834, 1890460, 1997710, 2079506, 2182622, 2458720, 2559392, 2686304, 2905760, 3024736, 3196336, 3199240, 3357880, 3693668, 3780920, 3995420, 4159012, 4365244, 4617085, 5198765, 5456555, 6392672, 6398480, 6715760, 7387336, 7561840, 7990840, 8318024, 8730488, 9234170, 10157587, 10397530, 10913110, 12004421, 12796960, 13431520, 14774672, 15123680, 15981680, 16636048, 17460976, 18468340, 20315174, 20795060, 21826220, 24008842, 29549344, 31963360, 33272096, 34921952, 36936680, 40630348, 41590120, 43652440, 48017684, 50787935, 60022105, 73873360, 81260696, 83180240, 87304880, 96035368, 101575870, 120044210, 132048631, 147746720, 162521392, 166360480, 174609760, 192070736, 203151740, 240088420, 264097262, 325042784, 384141472, 406303480, 480176840, 528194524, 660243155, 812606960, 960353680, 1056389048, 1320486310, 1625213920, 1920707360, 2112778096, 2640972620, 4225556192, 5281945240, 10563890480, 21127780960]

約数ペア:

[(1, 21127780960), (2, 10563890480), (4, 5281945240), (5, 4225556192), (8, 2640972620), (10, 2112778096), (11, 1920707360), (13, 1625213920), (16, 1320486310), (20, 1056389048), (22, 960353680), (26, 812606960), (32, 660243155), (40, 528194524), (44, 480176840), (52, 406303480), (55, 384141472), (65, 325042784), (80, 264097262), (88, 240088420), (104, 203151740), (110, 192070736), (121, 174609760), (127, 166360480), (130, 162521392), (143, 147746720), (160, 132048631), (176, 120044210), (208, 101575870), (220, 96035368), (242, 87304880), (254, 83180240), (260, 81260696), (286, 73873360), (352, 60022105), (416, 50787935), (440, 48017684), (484, 43652440), (508, 41590120), (520, 40630348), (572, 36936680), (605, 34921952), (635, 33272096), (661, 31963360), (715, 29549344), (880, 24008842), (968, 21826220), (1016, 20795060), (1040, 20315174), (1144, 18468340), (1210, 17460976), (1270, 16636048), (1322, 15981680), (1397, 15123680), (1430, 14774672), (1573, 13431520), (1651, 12796960), (1760, 12004421), (1936, 10913110), (2032, 10397530), (2080, 10157587), (2288, 9234170), (2420, 8730488), (2540, 8318024), (2644, 7990840), (2794, 7561840), (2860, 7387336), (3146, 6715760), (3302, 6398480), (3305, 6392672), (3872, 5456555), (4064, 5198765), (4576, 4617085), (4840, 4365244), (5080, 4159012), (5288, 3995420), (5588, 3780920), (5720, 3693668), (6292, 3357880), (6604, 3199240), (6610, 3196336), (6985, 3024736), (7271, 2905760), (7865, 2686304), (8255, 2559392), (8593, 2458720), (9680, 2182622), (10160, 2079506), (10576, 1997710), (11176, 1890460), (11440, 1846834), (12584, 1678940), (13208, 1599620), (13220, 1598168), (13970, 1512368), (14542, 1452880), (15367, 1374880), (15730, 1343152), (16510, 1279696), (17186, 1229360), (18161, 1163360), (19360, 1091311), (20320, 1039753), (21152, 998855), (22352, 945230), (22880, 923417), (25168, 839470), (26416, 799810), (26440, 799084), (27940, 756184), (29084, 726440), (30734, 687440), (31460, 671576), (33020, 639848), (34372, 614680), (36322, 581680), (36355, 581152), (42965, 491744), (44704, 472615), (50336, 419735), (52832, 399905), (52880, 399542), (55880, 378092), (58168, 363220), (61468, 343720), (62920, 335788), (66040, 319924), (68744, 307340), (72644, 290840), (72710, 290576), (76835, 274976), (79981, 264160), (83947, 251680), (85930, 245872), (90805, 232672), (94523, 223520), (105760, 199771), (111760, 189046), (116336, 181610), (122936, 171860), (125840, 167894), (132080, 159962), (137488, 153670), (145288, 145420)]