21928109

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2087}}^1$

素因数の和:2192

約数の個数: 16

約数和(自身を含む): 26726400

約数和(自身を除く): 4798291

約数列:

[1, 7, 19, 79, 133, 553, 1501, 2087, 10507, 14609, 39653, 164873, 277571, 1154111, 3132587, 21928109]

約数ペア:

[(1, 21928109), (7, 3132587), (19, 1154111), (79, 277571), (133, 164873), (553, 39653), (1501, 14609), (2087, 10507)]