21355834

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1901}}^1$

素因数の和:2081

約数の個数: 16

約数和(自身を含む): 33071976

約数和(自身を除く): 11716142

約数列:

[1, 2, 41, 82, 137, 274, 1901, 3802, 5617, 11234, 77941, 155882, 260437, 520874, 10677917, 21355834]

約数ペア:

[(1, 21355834), (2, 10677917), (41, 520874), (82, 260437), (137, 155882), (274, 77941), (1901, 11234), (3802, 5617)]