21139236

素因数分解:

$2^2\times 3^2\times {\mathrm{587201}}^1$

素因数の和:587211

約数の個数: 18

約数和(自身を含む): 53435382

約数和(自身を除く): 32296146

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 587201, 1174402, 1761603, 2348804, 3523206, 5284809, 7046412, 10569618, 21139236]

約数ペア:

[(1, 21139236), (2, 10569618), (3, 7046412), (4, 5284809), (6, 3523206), (9, 2348804), (12, 1761603), (18, 1174402), (36, 587201)]