21581074

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{5623}}^1$

素因数の和:5745

約数の個数: 16

約数和(自身を含む): 34418880

約数和(自身を除く): 12837806

約数列:

[1, 2, 19, 38, 101, 202, 1919, 3838, 5623, 11246, 106837, 213674, 567923, 1135846, 10790537, 21581074]

約数ペア:

[(1, 21581074), (2, 10790537), (19, 1135846), (38, 567923), (101, 213674), (202, 106837), (1919, 11246), (3838, 5623)]