21125533

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1523}}^1$

素因数の和:1644

約数の個数: 16

約数和(自身を含む): 25091136

約数和(自身を除く): 3965603

約数列:

[1, 11, 13, 97, 143, 1067, 1261, 1523, 13871, 16753, 19799, 147731, 217789, 1625041, 1920503, 21125533]

約数ペア:

[(1, 21125533), (11, 1920503), (13, 1625041), (97, 217789), (143, 147731), (1067, 19799), (1261, 16753), (1523, 13871)]