21878070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{729269}}^1$

素因数の和:729279

約数の個数: 16

約数和(自身を含む): 52507440

約数和(自身を除く): 30629370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 729269, 1458538, 2187807, 3646345, 4375614, 7292690, 10939035, 21878070]

約数ペア:

[(1, 21878070), (2, 10939035), (3, 7292690), (5, 4375614), (6, 3646345), (10, 2187807), (15, 1458538), (30, 729269)]