21739530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{724651}}^1$

素因数の和:724661

約数の個数: 16

約数和(自身を含む): 52174944

約数和(自身を除く): 30435414

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 724651, 1449302, 2173953, 3623255, 4347906, 7246510, 10869765, 21739530]

約数ペア:

[(1, 21739530), (2, 10869765), (3, 7246510), (5, 4347906), (6, 3623255), (10, 2173953), (15, 1449302), (30, 724651)]