21051578878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{12112531}}^1$

素因数の和:12112623

約数の個数: 16

約数和(自身を含む): 34884092160

約数和(自身を除く): 13832513282

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 12112531, 24225062, 133237841, 266475682, 956889949, 1913779898, 10525789439, 21051578878]

約数ペア:

[(1, 21051578878), (2, 10525789439), (11, 1913779898), (22, 956889949), (79, 266475682), (158, 133237841), (869, 24225062), (1738, 12112531)]