21178117002

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{504240881}}^1$

素因数の和:504240893

約数の個数: 16

約数和(自身を含む): 48407124672

約数和(自身を除く): 27229007670

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 504240881, 1008481762, 1512722643, 3025445286, 3529686167, 7059372334, 10589058501, 21178117002]

約数ペア:

[(1, 21178117002), (2, 10589058501), (3, 7059372334), (6, 3529686167), (7, 3025445286), (14, 1512722643), (21, 1008481762), (42, 504240881)]