21704594

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{10973}}^1$

素因数の和:11041

約数の個数: 16

約数和(自身を含む): 34765632

約数和(自身を除く): 13061038

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 10973, 21946, 252379, 471839, 504758, 943678, 10852297, 21704594]

約数ペア:

[(1, 21704594), (2, 10852297), (23, 943678), (43, 504758), (46, 471839), (86, 252379), (989, 21946), (1978, 10973)]