21078382

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21911}}^1$

素因数の和:21963

約数の個数: 16

約数和(自身を含む): 34971552

約数和(自身を除く): 13893170

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 21911, 43822, 284843, 569686, 810707, 1621414, 10539191, 21078382]

約数ペア:

[(1, 21078382), (2, 10539191), (13, 1621414), (26, 810707), (37, 569686), (74, 284843), (481, 43822), (962, 21911)]