21172110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{705737}}^1$

素因数の和:705747

約数の個数: 16

約数和(自身を含む): 50813136

約数和(自身を除く): 29641026

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 705737, 1411474, 2117211, 3528685, 4234422, 7057370, 10586055, 21172110]

約数ペア:

[(1, 21172110), (2, 10586055), (3, 7057370), (5, 4234422), (6, 3528685), (10, 2117211), (15, 1411474), (30, 705737)]