21213564

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43117}}^1$

素因数の和:43165

約数の個数: 24

約数和(自身を含む): 50706768

約数和(自身を除く): 29493204

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 43117, 86234, 129351, 172468, 258702, 517404, 1767797, 3535594, 5303391, 7071188, 10606782, 21213564]

約数ペア:

[(1, 21213564), (2, 10606782), (3, 7071188), (4, 5303391), (6, 3535594), (12, 1767797), (41, 517404), (82, 258702), (123, 172468), (164, 129351), (246, 86234), (492, 43117)]