21739531

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2963}}^1$

素因数の和:3026

約数の個数: 16

約数和(自身を含む): 25608960

約数和(自身を除く): 3869429

約数列:

[1, 11, 23, 29, 253, 319, 667, 2963, 7337, 32593, 68149, 85927, 749639, 945197, 1976321, 21739531]

約数ペア:

[(1, 21739531), (11, 1976321), (23, 945197), (29, 749639), (253, 85927), (319, 68149), (667, 32593), (2963, 7337)]