21761553

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{6163}}^1$

素因数の和:6284

約数の個数: 16

約数和(自身を含む): 31954176

約数和(自身を除く): 10192623

約数列:

[1, 3, 11, 33, 107, 321, 1177, 3531, 6163, 18489, 67793, 203379, 659441, 1978323, 7253851, 21761553]

約数ペア:

[(1, 21761553), (3, 7253851), (11, 1978323), (33, 659441), (107, 203379), (321, 67793), (1177, 18489), (3531, 6163)]