21278508726

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{49949551}}^1$

素因数の和:49949627

約数の個数: 16

約数和(自身を含む): 43156412928

約数和(自身を除く): 21877904202

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 49949551, 99899102, 149848653, 299697306, 3546418121, 7092836242, 10639254363, 21278508726]

約数ペア:

[(1, 21278508726), (2, 10639254363), (3, 7092836242), (6, 3546418121), (71, 299697306), (142, 149848653), (213, 99899102), (426, 49949551)]