21066232

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239389}}^1$

素因数の和:239406

約数の個数: 16

約数和(自身を含む): 43090200

約数和(自身を除く): 22023968

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239389, 478778, 957556, 1915112, 2633279, 5266558, 10533116, 21066232]

約数ペア:

[(1, 21066232), (2, 10533116), (4, 5266558), (8, 2633279), (11, 1915112), (22, 957556), (44, 478778), (88, 239389)]