21782222

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{141443}}^1$

素因数の和:141463

約数の個数: 16

約数和(自身を含む): 40735872

約数和(自身を除く): 18953650

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 141443, 282886, 990101, 1555873, 1980202, 3111746, 10891111, 21782222]

約数ペア:

[(1, 21782222), (2, 10891111), (7, 3111746), (11, 1980202), (14, 1555873), (22, 990101), (77, 282886), (154, 141443)]