21880532

素因数分解:

$2^2\times {\mathrm{1123}}^1\times {\mathrm{4871}}^1$

素因数の和:5998

約数の個数: 12

約数和(自身を含む): 38332896

約数和(自身を除く): 16452364

約数列:

[1, 2, 4, 1123, 2246, 4492, 4871, 9742, 19484, 5470133, 10940266, 21880532]

約数ペア:

[(1, 21880532), (2, 10940266), (4, 5470133), (1123, 19484), (2246, 9742), (4492, 4871)]