21315093

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21997}}^1$

素因数の和:22036

約数の個数: 16

約数和(自身を含む): 31677120

約数和(自身を除く): 10362027

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 21997, 65991, 373949, 417943, 1121847, 1253829, 7105031, 21315093]

約数ペア:

[(1, 21315093), (3, 7105031), (17, 1253829), (19, 1121847), (51, 417943), (57, 373949), (323, 65991), (969, 21997)]