21149854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{1777}}^1$

素因数の和:2331

約数の個数: 16

約数和(自身を含む): 34692336

約数和(自身を除く): 13542482

約数列:

[1, 2, 11, 22, 541, 1082, 1777, 3554, 5951, 11902, 19547, 39094, 961357, 1922714, 10574927, 21149854]

約数ペア:

[(1, 21149854), (2, 10574927), (11, 1922714), (22, 961357), (541, 39094), (1082, 19547), (1777, 11902), (3554, 5951)]