21990048

素因数分解:

$2^5\times 3^1\times {\mathrm{157}}^1\times {\mathrm{1459}}^1$

素因数の和:1629

約数の個数: 48

約数和(自身を含む): 58131360

約数和(自身を除く): 36141312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 157, 314, 471, 628, 942, 1256, 1459, 1884, 2512, 2918, 3768, 4377, 5024, 5836, 7536, 8754, 11672, 15072, 17508, 23344, 35016, 46688, 70032, 140064, 229063, 458126, 687189, 916252, 1374378, 1832504, 2748756, 3665008, 5497512, 7330016, 10995024, 21990048]

約数ペア:

[(1, 21990048), (2, 10995024), (3, 7330016), (4, 5497512), (6, 3665008), (8, 2748756), (12, 1832504), (16, 1374378), (24, 916252), (32, 687189), (48, 458126), (96, 229063), (157, 140064), (314, 70032), (471, 46688), (628, 35016), (942, 23344), (1256, 17508), (1459, 15072), (1884, 11672), (2512, 8754), (2918, 7536), (3768, 5836), (4377, 5024)]