21144772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{480563}}^1$

素因数の和:480578

約数の個数: 12

約数和(自身を含む): 40367376

約数和(自身を除く): 19222604

約数列:

[1, 2, 4, 11, 22, 44, 480563, 961126, 1922252, 5286193, 10572386, 21144772]

約数ペア:

[(1, 21144772), (2, 10572386), (4, 5286193), (11, 1922252), (22, 961126), (44, 480563)]