21508701234

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{50489909}}^1$

素因数の和:50489985

約数の個数: 16

約数和(自身を含む): 43623282240

約数和(自身を除く): 22114581006

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 50489909, 100979818, 151469727, 302939454, 3584783539, 7169567078, 10754350617, 21508701234]

約数ペア:

[(1, 21508701234), (2, 10754350617), (3, 7169567078), (6, 3584783539), (71, 302939454), (142, 151469727), (213, 100979818), (426, 50489909)]