21391094

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1\times {\mathrm{739}}^1$

素因数の和:1135

約数の個数: 16

約数和(自身を含む): 33006960

約数和(自身を除く): 11615866

約数列:

[1, 2, 41, 82, 353, 706, 739, 1478, 14473, 28946, 30299, 60598, 260867, 521734, 10695547, 21391094]

約数ペア:

[(1, 21391094), (2, 10695547), (41, 521734), (82, 260867), (353, 60598), (706, 30299), (739, 28946), (1478, 14473)]