21056554544

素因数分解:

$2^4\times {\mathrm{757}}^1\times {\mathrm{1738487}}^1$

素因数の和:1739252

約数の個数: 20

約数和(自身を含む): 40850991024

約数和(自身を除く): 19794436480

約数列:

[1, 2, 4, 8, 16, 757, 1514, 3028, 6056, 12112, 1738487, 3476974, 6953948, 13907896, 27815792, 1316034659, 2632069318, 5264138636, 10528277272, 21056554544]

約数ペア:

[(1, 21056554544), (2, 10528277272), (4, 5264138636), (8, 2632069318), (16, 1316034659), (757, 27815792), (1514, 13907896), (3028, 6953948), (6056, 3476974), (12112, 1738487)]