21809922

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{51197}}^1$

素因数の和:51273

約数の個数: 16

約数和(自身を含む): 44235072

約数和(自身を除く): 22425150

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 51197, 102394, 153591, 307182, 3634987, 7269974, 10904961, 21809922]

約数ペア:

[(1, 21809922), (2, 10904961), (3, 7269974), (6, 3634987), (71, 307182), (142, 153591), (213, 102394), (426, 51197)]