21180684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{252151}}^1$

素因数の和:252165

約数の個数: 24

約数和(自身を含む): 56482048

約数和(自身を除く): 35301364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 252151, 504302, 756453, 1008604, 1512906, 1765057, 3025812, 3530114, 5295171, 7060228, 10590342, 21180684]

約数ペア:

[(1, 21180684), (2, 10590342), (3, 7060228), (4, 5295171), (6, 3530114), (7, 3025812), (12, 1765057), (14, 1512906), (21, 1008604), (28, 756453), (42, 504302), (84, 252151)]