21279346

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{5591}}^1$

素因数の和:5777

約数の個数: 16

約数和(自身を含む): 35028288

約数和(自身を除く): 13748942

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 5591, 11182, 61501, 123002, 967243, 1934486, 10639673, 21279346]

約数ペア:

[(1, 21279346), (2, 10639673), (11, 1934486), (22, 967243), (173, 123002), (346, 61501), (1903, 11182), (3806, 5591)]