211221513217

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3491}}^1\times {\mathrm{423109}}^1$

素因数の和:426624

約数の個数: 16

約数和(自身を含む): 248220020160

約数和(自身を除く): 36998506943

約数列:

[1, 11, 13, 143, 3491, 38401, 45383, 423109, 499213, 4654199, 5500417, 60504587, 1477073519, 16247808709, 19201955747, 211221513217]

約数ペア:

[(1, 211221513217), (11, 19201955747), (13, 16247808709), (143, 1477073519), (3491, 60504587), (38401, 5500417), (45383, 4654199), (423109, 499213)]