21936177

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{2531}}^1$

素因数の和:2650

約数の個数: 20

約数和(自身を含む): 33088176

約数和(自身を除く): 11151999

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2531, 2889, 7593, 8667, 22779, 68337, 205011, 270817, 812451, 2437353, 7312059, 21936177]

約数ペア:

[(1, 21936177), (3, 7312059), (9, 2437353), (27, 812451), (81, 270817), (107, 205011), (321, 68337), (963, 22779), (2531, 8667), (2889, 7593)]