21406212

素因数分解:

$2^2\times 3^2\times {\mathrm{594617}}^1$

素因数の和:594627

約数の個数: 18

約数和(自身を含む): 54110238

約数和(自身を除く): 32704026

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 594617, 1189234, 1783851, 2378468, 3567702, 5351553, 7135404, 10703106, 21406212]

約数ペア:

[(1, 21406212), (2, 10703106), (3, 7135404), (4, 5351553), (6, 3567702), (9, 2378468), (12, 1783851), (18, 1189234), (36, 594617)]