21561612

素因数分解:

$2^2\times 3^1\times {\mathrm{1796801}}^1$

素因数の和:1796808

約数の個数: 12

約数和(自身を含む): 50310456

約数和(自身を除く): 28748844

約数列:

[1, 2, 3, 4, 6, 12, 1796801, 3593602, 5390403, 7187204, 10780806, 21561612]

約数ペア:

[(1, 21561612), (2, 10780806), (3, 7187204), (4, 5390403), (6, 3593602), (12, 1796801)]