21054328080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87726367}}^1$

素因数の和:87726383

約数の個数: 40

約数和(自身を含む): 65268417792

約数和(自身を除く): 44214089712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87726367, 175452734, 263179101, 350905468, 438631835, 526358202, 701810936, 877263670, 1052716404, 1315895505, 1403621872, 1754527340, 2105432808, 2631791010, 3509054680, 4210865616, 5263582020, 7018109360, 10527164040, 21054328080]

約数ペア:

[(1, 21054328080), (2, 10527164040), (3, 7018109360), (4, 5263582020), (5, 4210865616), (6, 3509054680), (8, 2631791010), (10, 2105432808), (12, 1754527340), (15, 1403621872), (16, 1315895505), (20, 1052716404), (24, 877263670), (30, 701810936), (40, 526358202), (48, 438631835), (60, 350905468), (80, 263179101), (120, 175452734), (240, 87726367)]