21424773

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1061}}^1$

素因数の和:1244

約数の個数: 16

約数和(自身を含む): 29362176

約数和(自身を除く): 7937403

約数列:

[1, 3, 53, 127, 159, 381, 1061, 3183, 6731, 20193, 56233, 134747, 168699, 404241, 7141591, 21424773]

約数ペア:

[(1, 21424773), (3, 7141591), (53, 404241), (127, 168699), (159, 134747), (381, 56233), (1061, 20193), (3183, 6731)]