21905156779

素因数分解:

${\mathrm{11}}^1\times {\mathrm{7321}}^1\times {\mathrm{272009}}^1$

素因数の和:279341

約数の個数: 8

約数和(自身を含む): 23899886640

約数和(自身を除く): 1994729861

約数列:

[1, 11, 7321, 80531, 272009, 2992099, 1991377889, 21905156779]

約数ペア:

[(1, 21905156779), (11, 1991377889), (7321, 2992099), (80531, 272009)]