21213294

素因数分解:

$2^1\times 3^1\times {\mathrm{257}}^1\times {\mathrm{13757}}^1$

素因数の和:14019

約数の個数: 16

約数和(自身を含む): 42594768

約数和(自身を除く): 21381474

約数列:

[1, 2, 3, 6, 257, 514, 771, 1542, 13757, 27514, 41271, 82542, 3535549, 7071098, 10606647, 21213294]

約数ペア:

[(1, 21213294), (2, 10606647), (3, 7071098), (6, 3535549), (257, 82542), (514, 41271), (771, 27514), (1542, 13757)]