21142858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50581}}^1$

素因数の和:50613

約数の個数: 16

約数和(自身を含む): 36419040

約数和(自身を除く): 15276182

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50581, 101162, 556391, 961039, 1112782, 1922078, 10571429, 21142858]

約数ペア:

[(1, 21142858), (2, 10571429), (11, 1922078), (19, 1112782), (22, 961039), (38, 556391), (209, 101162), (418, 50581)]