21020988037680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{48487}}^1\times {\mathrm{602137}}^1$

素因数の和:650643

約数の個数: 120

約数和(自身を含む): 70597058037792

約数和(自身を除く): 49576070000112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 48487, 96974, 145461, 193948, 242435, 290922, 387896, 436383, 484870, 581844, 602137, 727305, 775792, 872766, 969740, 1163688, 1204274, 1454610, 1745532, 1806411, 1939480, 2181915, 2327376, 2408548, 2909220, 3010685, 3491064, 3612822, 3878960, 4363830, 4817096, 5419233, 5818440, 6021370, 6982128, 7225644, 8727660, 9032055, 9634192, 10838466, 11636880, 12042740, 14451288, 17455320, 18064110, 21676932, 24085480, 27096165, 28902576, 34910640, 36128220, 43353864, 48170960, 54192330, 72256440, 86707728, 108384660, 144512880, 216769320, 433538640, 29195816719, 58391633438, 87587450157, 116783266876, 145979083595, 175174900314, 233566533752, 262762350471, 291958167190, 350349800628, 437937250785, 467133067504, 525524700942, 583916334380, 700699601256, 875874501570, 1051049401884, 1167832668760, 1313811752355, 1401399202512, 1751749003140, 2102098803768, 2335665337520, 2627623504710, 3503498006280, 4204197607536, 5255247009420, 7006996012560, 10510494018840, 21020988037680]

約数ペア:

[(1, 21020988037680), (2, 10510494018840), (3, 7006996012560), (4, 5255247009420), (5, 4204197607536), (6, 3503498006280), (8, 2627623504710), (9, 2335665337520), (10, 2102098803768), (12, 1751749003140), (15, 1401399202512), (16, 1313811752355), (18, 1167832668760), (20, 1051049401884), (24, 875874501570), (30, 700699601256), (36, 583916334380), (40, 525524700942), (45, 467133067504), (48, 437937250785), (60, 350349800628), (72, 291958167190), (80, 262762350471), (90, 233566533752), (120, 175174900314), (144, 145979083595), (180, 116783266876), (240, 87587450157), (360, 58391633438), (720, 29195816719), (48487, 433538640), (96974, 216769320), (145461, 144512880), (193948, 108384660), (242435, 86707728), (290922, 72256440), (387896, 54192330), (436383, 48170960), (484870, 43353864), (581844, 36128220), (602137, 34910640), (727305, 28902576), (775792, 27096165), (872766, 24085480), (969740, 21676932), (1163688, 18064110), (1204274, 17455320), (1454610, 14451288), (1745532, 12042740), (1806411, 11636880), (1939480, 10838466), (2181915, 9634192), (2327376, 9032055), (2408548, 8727660), (2909220, 7225644), (3010685, 6982128), (3491064, 6021370), (3612822, 5818440), (3878960, 5419233), (4363830, 4817096)]