21720754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{967}}^1\times {\mathrm{1021}}^1$

素因数の和:2001

約数の個数: 16

約数和(自身を含む): 35614656

約数和(自身を除く): 13893902

約数列:

[1, 2, 11, 22, 967, 1021, 1934, 2042, 10637, 11231, 21274, 22462, 987307, 1974614, 10860377, 21720754]

約数ペア:

[(1, 21720754), (2, 10860377), (11, 1974614), (22, 987307), (967, 22462), (1021, 21274), (1934, 11231), (2042, 10637)]