21536889

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{2801}}^1$

素因数の和:3048

約数の個数: 16

約数和(自身を含む): 31472064

約数和(自身を除く): 9935175

約数列:

[1, 3, 11, 33, 233, 699, 2563, 2801, 7689, 8403, 30811, 92433, 652633, 1957899, 7178963, 21536889]

約数ペア:

[(1, 21536889), (3, 7178963), (11, 1957899), (33, 652633), (233, 92433), (699, 30811), (2563, 8403), (2801, 7689)]