21688821648

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1489}}^1$

素因数の和:1798

約数の個数: 240

約数和(自身を含む): 67790661120

約数和(自身を除く): 46101839472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 48, 52, 62, 72, 78, 93, 104, 117, 124, 144, 156, 186, 208, 234, 248, 251, 279, 312, 372, 403, 468, 496, 502, 558, 624, 744, 753, 806, 936, 1004, 1116, 1209, 1488, 1489, 1506, 1612, 1872, 2008, 2232, 2259, 2418, 2978, 3012, 3224, 3263, 3627, 4016, 4464, 4467, 4518, 4836, 5956, 6024, 6448, 6526, 7254, 7781, 8934, 9036, 9672, 9789, 11912, 12048, 13052, 13401, 14508, 15562, 17868, 18072, 19344, 19357, 19578, 23343, 23824, 26104, 26802, 29016, 29367, 31124, 35736, 36144, 38714, 39156, 46159, 46686, 52208, 53604, 58032, 58071, 58734, 62248, 70029, 71472, 77428, 78312, 92318, 93372, 101153, 107208, 116142, 117468, 124496, 138477, 140058, 154856, 156624, 174213, 184636, 186744, 202306, 214416, 232284, 234936, 276954, 280116, 303459, 309712, 348426, 369272, 373488, 373739, 404612, 415431, 464568, 469872, 553908, 560232, 600067, 606918, 696852, 738544, 747478, 809224, 830862, 910377, 929136, 1107816, 1120464, 1121217, 1200134, 1213836, 1393704, 1494956, 1618448, 1661724, 1800201, 1820754, 2215632, 2242434, 2400268, 2427672, 2787408, 2989912, 3323448, 3363651, 3600402, 3641508, 4484868, 4800536, 4855344, 4858607, 5400603, 5979824, 6646896, 6727302, 7200804, 7283016, 8969736, 9601072, 9717214, 10801206, 11585909, 13454604, 14401608, 14566032, 14575821, 17939472, 19434428, 21602412, 23171818, 26909208, 28803216, 29151642, 34757727, 38868856, 43204824, 43727463, 46343636, 53818416, 58303284, 69515454, 77737712, 86409648, 87454926, 92687272, 104273181, 116606568, 139030908, 150616817, 174909852, 185374544, 208546362, 233213136, 278061816, 301233634, 349819704, 417092724, 451850451, 556123632, 602467268, 699639408, 834185448, 903700902, 1204934536, 1355551353, 1668370896, 1807401804, 2409869072, 2711102706, 3614803608, 5422205412, 7229607216, 10844410824, 21688821648]

約数ペア:

[(1, 21688821648), (2, 10844410824), (3, 7229607216), (4, 5422205412), (6, 3614803608), (8, 2711102706), (9, 2409869072), (12, 1807401804), (13, 1668370896), (16, 1355551353), (18, 1204934536), (24, 903700902), (26, 834185448), (31, 699639408), (36, 602467268), (39, 556123632), (48, 451850451), (52, 417092724), (62, 349819704), (72, 301233634), (78, 278061816), (93, 233213136), (104, 208546362), (117, 185374544), (124, 174909852), (144, 150616817), (156, 139030908), (186, 116606568), (208, 104273181), (234, 92687272), (248, 87454926), (251, 86409648), (279, 77737712), (312, 69515454), (372, 58303284), (403, 53818416), (468, 46343636), (496, 43727463), (502, 43204824), (558, 38868856), (624, 34757727), (744, 29151642), (753, 28803216), (806, 26909208), (936, 23171818), (1004, 21602412), (1116, 19434428), (1209, 17939472), (1488, 14575821), (1489, 14566032), (1506, 14401608), (1612, 13454604), (1872, 11585909), (2008, 10801206), (2232, 9717214), (2259, 9601072), (2418, 8969736), (2978, 7283016), (3012, 7200804), (3224, 6727302), (3263, 6646896), (3627, 5979824), (4016, 5400603), (4464, 4858607), (4467, 4855344), (4518, 4800536), (4836, 4484868), (5956, 3641508), (6024, 3600402), (6448, 3363651), (6526, 3323448), (7254, 2989912), (7781, 2787408), (8934, 2427672), (9036, 2400268), (9672, 2242434), (9789, 2215632), (11912, 1820754), (12048, 1800201), (13052, 1661724), (13401, 1618448), (14508, 1494956), (15562, 1393704), (17868, 1213836), (18072, 1200134), (19344, 1121217), (19357, 1120464), (19578, 1107816), (23343, 929136), (23824, 910377), (26104, 830862), (26802, 809224), (29016, 747478), (29367, 738544), (31124, 696852), (35736, 606918), (36144, 600067), (38714, 560232), (39156, 553908), (46159, 469872), (46686, 464568), (52208, 415431), (53604, 404612), (58032, 373739), (58071, 373488), (58734, 369272), (62248, 348426), (70029, 309712), (71472, 303459), (77428, 280116), (78312, 276954), (92318, 234936), (93372, 232284), (101153, 214416), (107208, 202306), (116142, 186744), (117468, 184636), (124496, 174213), (138477, 156624), (140058, 154856)]