21031896

素因数分解:

$2^3\times 3^1\times {\mathrm{876329}}^1$

素因数の和:876338

約数の個数: 16

約数和(自身を含む): 52579800

約数和(自身を除く): 31547904

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 876329, 1752658, 2628987, 3505316, 5257974, 7010632, 10515948, 21031896]

約数ペア:

[(1, 21031896), (2, 10515948), (3, 7010632), (4, 5257974), (6, 3505316), (8, 2628987), (12, 1752658), (24, 876329)]