21040767

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{751}}^1$

素因数の和:1051

約数の個数: 24

約数和(自身を含む): 33316608

約数和(自身を除く): 12275841

約数列:

[1, 3, 9, 11, 33, 99, 283, 751, 849, 2253, 2547, 3113, 6759, 8261, 9339, 24783, 28017, 74349, 212533, 637599, 1912797, 2337863, 7013589, 21040767]

約数ペア:

[(1, 21040767), (3, 7013589), (9, 2337863), (11, 1912797), (33, 637599), (99, 212533), (283, 74349), (751, 28017), (849, 24783), (2253, 9339), (2547, 8261), (3113, 6759)]