21209262

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{49787}}^1$

素因数の和:49863

約数の個数: 16

約数和(自身を含む): 43016832

約数和(自身を除く): 21807570

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 49787, 99574, 149361, 298722, 3534877, 7069754, 10604631, 21209262]

約数ペア:

[(1, 21209262), (2, 10604631), (3, 7069754), (6, 3534877), (71, 298722), (142, 149361), (213, 99574), (426, 49787)]