21000742048

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:879

約数の個数: 192

約数和(自身を含む): 49943101824

約数和(自身を除く): 28942359776

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 53, 88, 104, 106, 131, 143, 176, 208, 212, 262, 286, 352, 416, 424, 524, 572, 583, 661, 689, 848, 1048, 1144, 1166, 1322, 1378, 1441, 1696, 1703, 2096, 2288, 2332, 2644, 2756, 2882, 3406, 4192, 4576, 4664, 5288, 5512, 5764, 6812, 6943, 7271, 7579, 8593, 9328, 10576, 11024, 11528, 13624, 13886, 14542, 15158, 17186, 18656, 18733, 21152, 22048, 23056, 27248, 27772, 29084, 30316, 34372, 35033, 37466, 46112, 54496, 55544, 58168, 60632, 68744, 70066, 74932, 76373, 86591, 90259, 94523, 111088, 116336, 121264, 137488, 140132, 149864, 152746, 173182, 180518, 189046, 222176, 232672, 242528, 274976, 280264, 299728, 305492, 346364, 361036, 378092, 385363, 455429, 560528, 599456, 610984, 692728, 722072, 756184, 770726, 910858, 952501, 992849, 1121056, 1125683, 1221968, 1385456, 1444144, 1512368, 1541452, 1821716, 1905002, 1985698, 2251366, 2443936, 2770912, 2888288, 3024736, 3082904, 3643432, 3810004, 3971396, 4502732, 4589323, 5009719, 6165808, 7286864, 7620008, 7942792, 9005464, 9178646, 10019438, 12331616, 12382513, 14573728, 15240016, 15885584, 18010928, 18357292, 20038876, 24765026, 30480032, 31771168, 36021856, 36714584, 40077752, 49530052, 50482553, 59661199, 73429168, 80155504, 99060104, 100965106, 119322398, 146858336, 160311008, 198120208, 201930212, 238644796, 396240416, 403860424, 477289592, 656273189, 807720848, 954579184, 1312546378, 1615441696, 1909158368, 2625092756, 5250185512, 10500371024, 21000742048]

約数ペア:

[(1, 21000742048), (2, 10500371024), (4, 5250185512), (8, 2625092756), (11, 1909158368), (13, 1615441696), (16, 1312546378), (22, 954579184), (26, 807720848), (32, 656273189), (44, 477289592), (52, 403860424), (53, 396240416), (88, 238644796), (104, 201930212), (106, 198120208), (131, 160311008), (143, 146858336), (176, 119322398), (208, 100965106), (212, 99060104), (262, 80155504), (286, 73429168), (352, 59661199), (416, 50482553), (424, 49530052), (524, 40077752), (572, 36714584), (583, 36021856), (661, 31771168), (689, 30480032), (848, 24765026), (1048, 20038876), (1144, 18357292), (1166, 18010928), (1322, 15885584), (1378, 15240016), (1441, 14573728), (1696, 12382513), (1703, 12331616), (2096, 10019438), (2288, 9178646), (2332, 9005464), (2644, 7942792), (2756, 7620008), (2882, 7286864), (3406, 6165808), (4192, 5009719), (4576, 4589323), (4664, 4502732), (5288, 3971396), (5512, 3810004), (5764, 3643432), (6812, 3082904), (6943, 3024736), (7271, 2888288), (7579, 2770912), (8593, 2443936), (9328, 2251366), (10576, 1985698), (11024, 1905002), (11528, 1821716), (13624, 1541452), (13886, 1512368), (14542, 1444144), (15158, 1385456), (17186, 1221968), (18656, 1125683), (18733, 1121056), (21152, 992849), (22048, 952501), (23056, 910858), (27248, 770726), (27772, 756184), (29084, 722072), (30316, 692728), (34372, 610984), (35033, 599456), (37466, 560528), (46112, 455429), (54496, 385363), (55544, 378092), (58168, 361036), (60632, 346364), (68744, 305492), (70066, 299728), (74932, 280264), (76373, 274976), (86591, 242528), (90259, 232672), (94523, 222176), (111088, 189046), (116336, 180518), (121264, 173182), (137488, 152746), (140132, 149864)]