21536894

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{1123}}^1$

素因数の和:1391

約数の個数: 16

約数和(自身を含む): 33234432

約数和(自身を除く): 11697538

約数列:

[1, 2, 43, 86, 223, 446, 1123, 2246, 9589, 19178, 48289, 96578, 250429, 500858, 10768447, 21536894]

約数ペア:

[(1, 21536894), (2, 10768447), (43, 500858), (86, 250429), (223, 96578), (446, 48289), (1123, 19178), (2246, 9589)]