21139026

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{85931}}^1$

素因数の和:85977

約数の個数: 16

約数和(自身を含む): 43309728

約数和(自身を除く): 22170702

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 85931, 171862, 257793, 515586, 3523171, 7046342, 10569513, 21139026]

約数ペア:

[(1, 21139026), (2, 10569513), (3, 7046342), (6, 3523171), (41, 515586), (82, 257793), (123, 171862), (246, 85931)]