21989594

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{18859}}^1$

素因数の和:18925

約数の個数: 16

約数和(自身を含む): 36663840

約数和(自身を除く): 14674246

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 18859, 37718, 207449, 414898, 999527, 1999054, 10994797, 21989594]

約数ペア:

[(1, 21989594), (2, 10994797), (11, 1999054), (22, 999527), (53, 414898), (106, 207449), (583, 37718), (1166, 18859)]