21299574

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{49999}}^1$

素因数の和:50075

約数の個数: 16

約数和(自身を含む): 43200000

約数和(自身を除く): 21900426

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 49999, 99998, 149997, 299994, 3549929, 7099858, 10649787, 21299574]

約数ペア:

[(1, 21299574), (2, 10649787), (3, 7099858), (6, 3549929), (71, 299994), (142, 149997), (213, 99998), (426, 49999)]