21095178

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{270451}}^1$

素因数の和:270469

約数の個数: 16

約数和(自身を含む): 45435936

約数和(自身を除く): 24340758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 270451, 540902, 811353, 1622706, 3515863, 7031726, 10547589, 21095178]

約数ペア:

[(1, 21095178), (2, 10547589), (3, 7031726), (6, 3515863), (13, 1622706), (26, 811353), (39, 540902), (78, 270451)]