21217438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{2083}}^1$

素因数の和:2559

約数の個数: 16

約数和(自身を含む): 34811136

約数和(自身を除く): 13593698

約数列:

[1, 2, 11, 22, 463, 926, 2083, 4166, 5093, 10186, 22913, 45826, 964429, 1928858, 10608719, 21217438]

約数ペア:

[(1, 21217438), (2, 10608719), (11, 1928858), (22, 964429), (463, 45826), (926, 22913), (2083, 10186), (4166, 5093)]