21299520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2017}}^1$

素因数の和:2048

約数の個数: 112

約数和(自身を含む): 73810368

約数和(自身を除く): 52510848

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, 2017, 2112, 2640, 3520, 4034, 5280, 6051, 8068, 10085, 10560, 12102, 16136, 20170, 22187, 24204, 30255, 32272, 40340, 44374, 48408, 60510, 64544, 66561, 80680, 88748, 96816, 110935, 121020, 129088, 133122, 161360, 177496, 193632, 221870, 242040, 266244, 322720, 332805, 354992, 387264, 443740, 484080, 532488, 645440, 665610, 709984, 887480, 968160, 1064976, 1331220, 1419968, 1774960, 1936320, 2129952, 2662440, 3549920, 4259904, 5324880, 7099840, 10649760, 21299520]

約数ペア:

[(1, 21299520), (2, 10649760), (3, 7099840), (4, 5324880), (5, 4259904), (6, 3549920), (8, 2662440), (10, 2129952), (11, 1936320), (12, 1774960), (15, 1419968), (16, 1331220), (20, 1064976), (22, 968160), (24, 887480), (30, 709984), (32, 665610), (33, 645440), (40, 532488), (44, 484080), (48, 443740), (55, 387264), (60, 354992), (64, 332805), (66, 322720), (80, 266244), (88, 242040), (96, 221870), (110, 193632), (120, 177496), (132, 161360), (160, 133122), (165, 129088), (176, 121020), (192, 110935), (220, 96816), (240, 88748), (264, 80680), (320, 66561), (330, 64544), (352, 60510), (440, 48408), (480, 44374), (528, 40340), (660, 32272), (704, 30255), (880, 24204), (960, 22187), (1056, 20170), (1320, 16136), (1760, 12102), (2017, 10560), (2112, 10085), (2640, 8068), (3520, 6051), (4034, 5280)]