21307396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{484259}}^1$

素因数の和:484274

約数の個数: 12

約数和(自身を含む): 40677840

約数和(自身を除く): 19370444

約数列:

[1, 2, 4, 11, 22, 44, 484259, 968518, 1937036, 5326849, 10653698, 21307396]

約数ペア:

[(1, 21307396), (2, 10653698), (4, 5326849), (11, 1937036), (22, 968518), (44, 484259)]