21074543

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{433}}^1$

素因数の和:866

約数の個数: 16

約数和(自身を含む): 25623360

約数和(自身を除く): 4548817

約数列:

[1, 7, 17, 119, 409, 433, 2863, 3031, 6953, 7361, 48671, 51527, 177097, 1239679, 3010649, 21074543]

約数ペア:

[(1, 21074543), (7, 3010649), (17, 1239679), (119, 177097), (409, 51527), (433, 48671), (2863, 7361), (3031, 6953)]