21348870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{711629}}^1$

素因数の和:711639

約数の個数: 16

約数和(自身を含む): 51237360

約数和(自身を除く): 29888490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 711629, 1423258, 2134887, 3558145, 4269774, 7116290, 10674435, 21348870]

約数ペア:

[(1, 21348870), (2, 10674435), (3, 7116290), (5, 4269774), (6, 3558145), (10, 2134887), (15, 1423258), (30, 711629)]