21972644

素因数分解:

$2^2\times {\mathrm{1171}}^1\times {\mathrm{4691}}^1$

素因数の和:5866

約数の個数: 12

約数和(自身を含む): 38493168

約数和(自身を除く): 16520524

約数列:

[1, 2, 4, 1171, 2342, 4684, 4691, 9382, 18764, 5493161, 10986322, 21972644]

約数ペア:

[(1, 21972644), (2, 10986322), (4, 5493161), (1171, 18764), (2342, 9382), (4684, 4691)]