21678063

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{15277}}^1$

素因数の和:15334

約数の個数: 16

約数和(自身を含む): 32267136

約数和(自身を除く): 10589073

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 15277, 45831, 168047, 504141, 656911, 1970733, 7226021, 21678063]

約数ペア:

[(1, 21678063), (3, 7226021), (11, 1970733), (33, 656911), (43, 504141), (129, 168047), (473, 45831), (1419, 15277)]