21267169

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1543}}^1$

素因数の和:1740

約数の個数: 16

約数和(自身を含む): 26680320

約数和(自身を除く): 5413151

約数列:

[1, 7, 11, 77, 179, 1253, 1543, 1969, 10801, 13783, 16973, 118811, 276197, 1933379, 3038167, 21267169]

約数ペア:

[(1, 21267169), (7, 3038167), (11, 1933379), (77, 276197), (179, 118811), (1253, 16973), (1543, 13783), (1969, 10801)]