21570073

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1033}}^1$

素因数の和:1216

約数の個数: 16

約数和(自身を含む): 26139520

約数和(自身を除く): 4569447

約数列:

[1, 7, 19, 133, 157, 1033, 1099, 2983, 7231, 19627, 20881, 137389, 162181, 1135267, 3081439, 21570073]

約数ペア:

[(1, 21570073), (7, 3081439), (19, 1135267), (133, 162181), (157, 137389), (1033, 20881), (1099, 19627), (2983, 7231)]