21881882

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4759}}^1$

素因数の和:4802

約数の個数: 24

約数和(自身を含む): 37984800

約数和(自身を除く): 16102918

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 2299, 4598, 4759, 9518, 52349, 90421, 104698, 180842, 575839, 994631, 1151678, 1989262, 10940941, 21881882]

約数ペア:

[(1, 21881882), (2, 10940941), (11, 1989262), (19, 1151678), (22, 994631), (38, 575839), (121, 180842), (209, 104698), (242, 90421), (418, 52349), (2299, 9518), (4598, 4759)]