21380458847

素因数分解:

${\mathrm{11}}^2\times {\mathrm{1187}}^1\times {\mathrm{148861}}^1$

素因数の和:150070

約数の個数: 12

約数和(自身を含む): 23520791448

約数和(自身を除く): 2140332601

約数列:

[1, 11, 121, 1187, 13057, 143627, 148861, 1637471, 18012181, 176698007, 1943678077, 21380458847]

約数ペア:

[(1, 21380458847), (11, 1943678077), (121, 176698007), (1187, 18012181), (13057, 1637471), (143627, 148861)]