21655708

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{132047}}^1$

素因数の和:132092

約数の個数: 12

約数和(自身を含む): 38822112

約数和(自身を除く): 17166404

約数列:

[1, 2, 4, 41, 82, 164, 132047, 264094, 528188, 5413927, 10827854, 21655708]

約数ペア:

[(1, 21655708), (2, 10827854), (4, 5413927), (41, 528188), (82, 264094), (164, 132047)]