21494539

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1567}}^1$

素因数の和:1650

約数の個数: 16

約数和(自身を含む): 24837120

約数和(自身を除く): 3342581

約数列:

[1, 11, 29, 43, 319, 473, 1247, 1567, 13717, 17237, 45443, 67381, 499873, 741191, 1954049, 21494539]

約数ペア:

[(1, 21494539), (11, 1954049), (29, 741191), (43, 499873), (319, 67381), (473, 45443), (1247, 17237), (1567, 13717)]