21186390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{706213}}^1$

素因数の和:706223

約数の個数: 16

約数和(自身を含む): 50847408

約数和(自身を除く): 29661018

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 706213, 1412426, 2118639, 3531065, 4237278, 7062130, 10593195, 21186390]

約数ペア:

[(1, 21186390), (2, 10593195), (3, 7062130), (5, 4237278), (6, 3531065), (10, 2118639), (15, 1412426), (30, 706213)]