21711517

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{757}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 24013440

約数和(自身を除く): 2301923

約数列:

[1, 23, 29, 43, 667, 757, 989, 1247, 17411, 21953, 28681, 32551, 504919, 748673, 943979, 21711517]

約数ペア:

[(1, 21711517), (23, 943979), (29, 748673), (43, 504919), (667, 32551), (757, 28681), (989, 21953), (1247, 17411)]