21000355013

素因数分解:

${\mathrm{11}}^2\times {\mathrm{349}}^1\times {\mathrm{497297}}^1$

素因数の和:497668

約数の個数: 12

約数和(自身を含む): 23149221900

約数和(自身を除く): 2148866887

約数列:

[1, 11, 121, 349, 3839, 42229, 497297, 5470267, 60172937, 173556653, 1909123183, 21000355013]

約数ペア:

[(1, 21000355013), (11, 1909123183), (121, 173556653), (349, 60172937), (3839, 5470267), (42229, 497297)]