21885622

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4999}}^1$

素因数の和:5211

約数の個数: 16

約数和(自身を含む): 36000000

約数和(自身を除く): 14114378

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 4999, 9998, 54989, 109978, 994801, 1989602, 10942811, 21885622]

約数ペア:

[(1, 21885622), (2, 10942811), (11, 1989602), (22, 994801), (199, 109978), (398, 54989), (2189, 9998), (4378, 4999)]