21564554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{3617}}^1$

素因数の和:3901

約数の個数: 16

約数和(自身を含む): 35427456

約数和(自身を除く): 13862902

約数列:

[1, 2, 11, 22, 271, 542, 2981, 3617, 5962, 7234, 39787, 79574, 980207, 1960414, 10782277, 21564554]

約数ペア:

[(1, 21564554), (2, 10782277), (11, 1960414), (22, 980207), (271, 79574), (542, 39787), (2981, 7234), (3617, 5962)]