21330631

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{883}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 27209520

約数和(自身を除く): 5878889

約数列:

[1, 7, 17, 29, 49, 119, 203, 493, 833, 883, 1421, 3451, 6181, 15011, 24157, 25607, 43267, 105077, 179249, 435319, 735539, 1254743, 3047233, 21330631]

約数ペア:

[(1, 21330631), (7, 3047233), (17, 1254743), (29, 735539), (49, 435319), (119, 179249), (203, 105077), (493, 43267), (833, 25607), (883, 24157), (1421, 15011), (3451, 6181)]