21764792

素因数分解:

$2^3\times 7^1\times {\mathrm{388657}}^1$

素因数の和:388670

約数の個数: 16

約数和(自身を含む): 46638960

約数和(自身を除く): 24874168

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 388657, 777314, 1554628, 2720599, 3109256, 5441198, 10882396, 21764792]

約数ペア:

[(1, 21764792), (2, 10882396), (4, 5441198), (7, 3109256), (8, 2720599), (14, 1554628), (28, 777314), (56, 388657)]