21090924544

素因数分解:

$2^{11}\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{619}}^1$

素因数の和:899

約数の個数: 96

約数和(自身を含む): 42897254400

約数和(自身を除く): 21806329856

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 131, 254, 256, 262, 508, 512, 524, 619, 1016, 1024, 1048, 1238, 2032, 2048, 2096, 2476, 4064, 4192, 4952, 8128, 8384, 9904, 16256, 16637, 16768, 19808, 32512, 33274, 33536, 39616, 65024, 66548, 67072, 78613, 79232, 81089, 130048, 133096, 134144, 157226, 158464, 162178, 260096, 266192, 268288, 314452, 316928, 324356, 532384, 628904, 633856, 648712, 1064768, 1257808, 1267712, 1297424, 2129536, 2515616, 2594848, 4259072, 5031232, 5189696, 8518144, 10062464, 10298303, 10379392, 17036288, 20124928, 20596606, 20758784, 34072576, 40249856, 41193212, 41517568, 80499712, 82386424, 83035136, 160999424, 164772848, 166070272, 329545696, 659091392, 1318182784, 2636365568, 5272731136, 10545462272, 21090924544]

約数ペア:

[(1, 21090924544), (2, 10545462272), (4, 5272731136), (8, 2636365568), (16, 1318182784), (32, 659091392), (64, 329545696), (127, 166070272), (128, 164772848), (131, 160999424), (254, 83035136), (256, 82386424), (262, 80499712), (508, 41517568), (512, 41193212), (524, 40249856), (619, 34072576), (1016, 20758784), (1024, 20596606), (1048, 20124928), (1238, 17036288), (2032, 10379392), (2048, 10298303), (2096, 10062464), (2476, 8518144), (4064, 5189696), (4192, 5031232), (4952, 4259072), (8128, 2594848), (8384, 2515616), (9904, 2129536), (16256, 1297424), (16637, 1267712), (16768, 1257808), (19808, 1064768), (32512, 648712), (33274, 633856), (33536, 628904), (39616, 532384), (65024, 324356), (66548, 316928), (67072, 314452), (78613, 268288), (79232, 266192), (81089, 260096), (130048, 162178), (133096, 158464), (134144, 157226)]