21879244805

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{36164041}}^1$

素因数の和:36164068

約数の個数: 12

約数和(自身を含む): 28858905516

約数和(自身を除く): 6979660711

約数列:

[1, 5, 11, 55, 121, 605, 36164041, 180820205, 397804451, 1989022255, 4375848961, 21879244805]

約数ペア:

[(1, 21879244805), (5, 4375848961), (11, 1989022255), (55, 397804451), (121, 180820205), (605, 36164041)]