21081787582

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{19867}}^1\times {\mathrm{7919}}^1$

素因数の和:27855

約数の個数: 16

約数和(自身を含む): 32100330240

約数和(自身を除く): 11018542658

約数列:

[1, 2, 67, 134, 7919, 15838, 19867, 39734, 530573, 1061146, 1331089, 2662178, 157326773, 314653546, 10540893791, 21081787582]

約数ペア:

[(1, 21081787582), (2, 10540893791), (67, 314653546), (134, 157326773), (7919, 2662178), (15838, 1331089), (19867, 1061146), (39734, 530573)]