21013487

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3467}}^1$

素因数の和:3526

約数の個数: 16

約数和(自身を含む): 24969600

約数和(自身を除く): 3956113

約数列:

[1, 11, 19, 29, 209, 319, 551, 3467, 6061, 38137, 65873, 100543, 724603, 1105973, 1910317, 21013487]

約数ペア:

[(1, 21013487), (11, 1910317), (19, 1105973), (29, 724603), (209, 100543), (319, 65873), (551, 38137), (3467, 6061)]