21278766

素因数分解:

$2^1\times 3^1\times {\mathrm{739}}^1\times {\mathrm{4799}}^1$

素因数の和:5543

約数の個数: 16

約数和(自身を含む): 42624000

約数和(自身を除く): 21345234

約数列:

[1, 2, 3, 6, 739, 1478, 2217, 4434, 4799, 9598, 14397, 28794, 3546461, 7092922, 10639383, 21278766]

約数ペア:

[(1, 21278766), (2, 10639383), (3, 7092922), (6, 3546461), (739, 28794), (1478, 14397), (2217, 9598), (4434, 4799)]