21701559

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{1439}}^1$

素因数の和:1910

約数の個数: 16

約数和(自身を含む): 31656960

約数和(自身を除く): 9955401

約数列:

[1, 3, 11, 33, 457, 1371, 1439, 4317, 5027, 15081, 15829, 47487, 657623, 1972869, 7233853, 21701559]

約数ペア:

[(1, 21701559), (3, 7233853), (11, 1972869), (33, 657623), (457, 47487), (1371, 15829), (1439, 15081), (4317, 5027)]