21073436

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{929}}^1$

素因数の和:1093

約数の個数: 24

約数和(自身を含む): 37966320

約数和(自身を除く): 16892884

約数列:

[1, 2, 4, 53, 106, 107, 212, 214, 428, 929, 1858, 3716, 5671, 11342, 22684, 49237, 98474, 99403, 196948, 198806, 397612, 5268359, 10536718, 21073436]

約数ペア:

[(1, 21073436), (2, 10536718), (4, 5268359), (53, 397612), (106, 198806), (107, 196948), (212, 99403), (214, 98474), (428, 49237), (929, 22684), (1858, 11342), (3716, 5671)]