21109862

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{3163}}^1$

素因数の和:3283

約数の個数: 16

約数和(自身を含む): 32804352

約数和(自身を除く): 11694490

約数列:

[1, 2, 47, 71, 94, 142, 3163, 3337, 6326, 6674, 148661, 224573, 297322, 449146, 10554931, 21109862]

約数ペア:

[(1, 21109862), (2, 10554931), (47, 449146), (71, 297322), (94, 224573), (142, 148661), (3163, 6674), (3337, 6326)]