21231966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{505523}}^1$

素因数の和:505535

約数の個数: 16

約数和(自身を含む): 48530304

約数和(自身を除く): 27298338

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 505523, 1011046, 1516569, 3033138, 3538661, 7077322, 10615983, 21231966]

約数ペア:

[(1, 21231966), (2, 10615983), (3, 7077322), (6, 3538661), (7, 3033138), (14, 1516569), (21, 1011046), (42, 505523)]