21910080

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:836

約数の個数: 112

約数和(自身を含む): 72054720

約数和(自身を除く): 50144640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 145, 160, 174, 192, 232, 240, 290, 320, 348, 435, 464, 480, 580, 696, 787, 870, 928, 960, 1160, 1392, 1574, 1740, 1856, 2320, 2361, 2784, 3148, 3480, 3935, 4640, 4722, 5568, 6296, 6960, 7870, 9280, 9444, 11805, 12592, 13920, 15740, 18888, 22823, 23610, 25184, 27840, 31480, 37776, 45646, 47220, 50368, 62960, 68469, 75552, 91292, 94440, 114115, 125920, 136938, 151104, 182584, 188880, 228230, 251840, 273876, 342345, 365168, 377760, 456460, 547752, 684690, 730336, 755520, 912920, 1095504, 1369380, 1460672, 1825840, 2191008, 2738760, 3651680, 4382016, 5477520, 7303360, 10955040, 21910080]

約数ペア:

[(1, 21910080), (2, 10955040), (3, 7303360), (4, 5477520), (5, 4382016), (6, 3651680), (8, 2738760), (10, 2191008), (12, 1825840), (15, 1460672), (16, 1369380), (20, 1095504), (24, 912920), (29, 755520), (30, 730336), (32, 684690), (40, 547752), (48, 456460), (58, 377760), (60, 365168), (64, 342345), (80, 273876), (87, 251840), (96, 228230), (116, 188880), (120, 182584), (145, 151104), (160, 136938), (174, 125920), (192, 114115), (232, 94440), (240, 91292), (290, 75552), (320, 68469), (348, 62960), (435, 50368), (464, 47220), (480, 45646), (580, 37776), (696, 31480), (787, 27840), (870, 25184), (928, 23610), (960, 22823), (1160, 18888), (1392, 15740), (1574, 13920), (1740, 12592), (1856, 11805), (2320, 9444), (2361, 9280), (2784, 7870), (3148, 6960), (3480, 6296), (3935, 5568), (4640, 4722)]