21806750781

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{883}}^1\times {\mathrm{26641}}^1$

素因数の和:27633

約数の個数: 24

約数和(自身を含む): 31841665856

約数和(自身を除く): 10034915075

約数列:

[1, 3, 9, 103, 309, 883, 927, 2649, 7947, 26641, 79923, 90949, 239769, 272847, 818541, 2744023, 8232069, 23524003, 24696207, 70572009, 211716027, 2422972309, 7268916927, 21806750781]

約数ペア:

[(1, 21806750781), (3, 7268916927), (9, 2422972309), (103, 211716027), (309, 70572009), (883, 24696207), (927, 23524003), (2649, 8232069), (7947, 2744023), (26641, 818541), (79923, 272847), (90949, 239769)]