21179012

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{99901}}^1$

素因数の和:99958

約数の個数: 12

約数和(自身を含む): 37762956

約数和(自身を除く): 16583944

約数列:

[1, 2, 4, 53, 106, 212, 99901, 199802, 399604, 5294753, 10589506, 21179012]

約数ペア:

[(1, 21179012), (2, 10589506), (4, 5294753), (53, 399604), (106, 199802), (212, 99901)]