21878133

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{10463}}^1$

素因数の和:10524

約数の個数: 16

約数和(自身を含む): 31643136

約数和(自身を除く): 9765003

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 10463, 31389, 177871, 428983, 533613, 1286949, 7292711, 21878133]

約数ペア:

[(1, 21878133), (3, 7292711), (17, 1286949), (41, 533613), (51, 428983), (123, 177871), (697, 31389), (2091, 10463)]