21046080

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1993}}^1$

素因数の和:2024

約数の個数: 112

約数和(自身を含む): 72932544

約数和(自身を除く): 51886464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 440, 480, 528, 660, 704, 880, 960, 1056, 1320, 1760, 1993, 2112, 2640, 3520, 3986, 5280, 5979, 7972, 9965, 10560, 11958, 15944, 19930, 21923, 23916, 29895, 31888, 39860, 43846, 47832, 59790, 63776, 65769, 79720, 87692, 95664, 109615, 119580, 127552, 131538, 159440, 175384, 191328, 219230, 239160, 263076, 318880, 328845, 350768, 382656, 438460, 478320, 526152, 637760, 657690, 701536, 876920, 956640, 1052304, 1315380, 1403072, 1753840, 1913280, 2104608, 2630760, 3507680, 4209216, 5261520, 7015360, 10523040, 21046080]

約数ペア:

[(1, 21046080), (2, 10523040), (3, 7015360), (4, 5261520), (5, 4209216), (6, 3507680), (8, 2630760), (10, 2104608), (11, 1913280), (12, 1753840), (15, 1403072), (16, 1315380), (20, 1052304), (22, 956640), (24, 876920), (30, 701536), (32, 657690), (33, 637760), (40, 526152), (44, 478320), (48, 438460), (55, 382656), (60, 350768), (64, 328845), (66, 318880), (80, 263076), (88, 239160), (96, 219230), (110, 191328), (120, 175384), (132, 159440), (160, 131538), (165, 127552), (176, 119580), (192, 109615), (220, 95664), (240, 87692), (264, 79720), (320, 65769), (330, 63776), (352, 59790), (440, 47832), (480, 43846), (528, 39860), (660, 31888), (704, 29895), (880, 23916), (960, 21923), (1056, 19930), (1320, 15944), (1760, 11958), (1993, 10560), (2112, 9965), (2640, 7972), (3520, 5979), (3986, 5280)]