21000407040

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{227869}}^1$

素因数の和:227902

約数の個数: 144

約数和(自身を含む): 72783956700

約数和(自身を除く): 51783549660

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, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2048, 2304, 2560, 2880, 3072, 3840, 4608, 5120, 5760, 6144, 7680, 9216, 10240, 11520, 15360, 18432, 23040, 30720, 46080, 92160, 227869, 455738, 683607, 911476, 1139345, 1367214, 1822952, 2050821, 2278690, 2734428, 3418035, 3645904, 4101642, 4557380, 5468856, 6836070, 7291808, 8203284, 9114760, 10254105, 10937712, 13672140, 14583616, 16406568, 18229520, 20508210, 21875424, 27344280, 29167232, 32813136, 36459040, 41016420, 43750848, 54688560, 58334464, 65626272, 72918080, 82032840, 87501696, 109377120, 116668928, 131252544, 145836160, 164065680, 175003392, 218754240, 233337856, 262505088, 291672320, 328131360, 350006784, 437508480, 466675712, 525010176, 583344640, 656262720, 700013568, 875016960, 1050020352, 1166689280, 1312525440, 1400027136, 1750033920, 2100040704, 2333378560, 2625050880, 3500067840, 4200081408, 5250101760, 7000135680, 10500203520, 21000407040]

約数ペア:

[(1, 21000407040), (2, 10500203520), (3, 7000135680), (4, 5250101760), (5, 4200081408), (6, 3500067840), (8, 2625050880), (9, 2333378560), (10, 2100040704), (12, 1750033920), (15, 1400027136), (16, 1312525440), (18, 1166689280), (20, 1050020352), (24, 875016960), (30, 700013568), (32, 656262720), (36, 583344640), (40, 525010176), (45, 466675712), (48, 437508480), (60, 350006784), (64, 328131360), (72, 291672320), (80, 262505088), (90, 233337856), (96, 218754240), (120, 175003392), (128, 164065680), (144, 145836160), (160, 131252544), (180, 116668928), (192, 109377120), (240, 87501696), (256, 82032840), (288, 72918080), (320, 65626272), (360, 58334464), (384, 54688560), (480, 43750848), (512, 41016420), (576, 36459040), (640, 32813136), (720, 29167232), (768, 27344280), (960, 21875424), (1024, 20508210), (1152, 18229520), (1280, 16406568), (1440, 14583616), (1536, 13672140), (1920, 10937712), (2048, 10254105), (2304, 9114760), (2560, 8203284), (2880, 7291808), (3072, 6836070), (3840, 5468856), (4608, 4557380), (5120, 4101642), (5760, 3645904), (6144, 3418035), (7680, 2734428), (9216, 2278690), (10240, 2050821), (11520, 1822952), (15360, 1367214), (18432, 1139345), (23040, 911476), (30720, 683607), (46080, 455738), (92160, 227869)]