21058587

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5749}}^1$

素因数の和:5803

約数の個数: 24

約数和(自身を含む): 34086000

約数和(自身を除く): 13027413

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 5749, 17247, 51741, 63239, 189717, 212713, 569151, 638139, 1914417, 2339843, 7019529, 21058587]

約数ペア:

[(1, 21058587), (3, 7019529), (9, 2339843), (11, 1914417), (33, 638139), (37, 569151), (99, 212713), (111, 189717), (333, 63239), (407, 51741), (1221, 17247), (3663, 5749)]