21851274

素因数分解:

$2^1\times 3^1\times {\mathrm{1709}}^1\times {\mathrm{2131}}^1$

素因数の和:3845

約数の個数: 16

約数和(自身を含む): 43748640

約数和(自身を除く): 21897366

約数列:

[1, 2, 3, 6, 1709, 2131, 3418, 4262, 5127, 6393, 10254, 12786, 3641879, 7283758, 10925637, 21851274]

約数ペア:

[(1, 21851274), (2, 10925637), (3, 7283758), (6, 3641879), (1709, 12786), (2131, 10254), (3418, 6393), (4262, 5127)]