21604306

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{431}}^1$

素因数の和:857

約数の個数: 16

約数和(自身を含む): 33032448

約数和(自身を除く): 11428142

約数列:

[1, 2, 71, 142, 353, 431, 706, 862, 25063, 30601, 50126, 61202, 152143, 304286, 10802153, 21604306]

約数ペア:

[(1, 21604306), (2, 10802153), (71, 304286), (142, 152143), (353, 61202), (431, 50126), (706, 30601), (862, 25063)]