21105042

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{502501}}^1$

素因数の和:502513

約数の個数: 16

約数和(自身を含む): 48240192

約数和(自身を除く): 27135150

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 502501, 1005002, 1507503, 3015006, 3517507, 7035014, 10552521, 21105042]

約数ペア:

[(1, 21105042), (2, 10552521), (3, 7035014), (6, 3517507), (7, 3015006), (14, 1507503), (21, 1005002), (42, 502501)]