21000232

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{238639}}^1$

素因数の和:238656

約数の個数: 16

約数和(自身を含む): 42955200

約数和(自身を除く): 21954968

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 238639, 477278, 954556, 1909112, 2625029, 5250058, 10500116, 21000232]

約数ペア:

[(1, 21000232), (2, 10500116), (4, 5250058), (8, 2625029), (11, 1909112), (22, 954556), (44, 477278), (88, 238639)]