21285847

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:594

約数の個数: 16

約数和(自身を含む): 24060960

約数和(自身を除く): 2775113

約数列:

[1, 11, 41, 109, 433, 451, 1199, 4469, 4763, 17753, 47197, 49159, 195283, 519167, 1935077, 21285847]

約数ペア:

[(1, 21285847), (11, 1935077), (41, 519167), (109, 195283), (433, 49159), (451, 47197), (1199, 17753), (4469, 4763)]