21175042

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65761}}^1$

素因数の和:65793

約数の個数: 16

約数和(自身を含む): 37878912

約数和(自身を除く): 16703870

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 65761, 131522, 460327, 920654, 1512503, 3025006, 10587521, 21175042]

約数ペア:

[(1, 21175042), (2, 10587521), (7, 3025006), (14, 1512503), (23, 920654), (46, 460327), (161, 131522), (322, 65761)]