21662842

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{3943}}^1$

素因数の和:4053

約数の個数: 16

約数和(自身を含む): 33792192

約数和(自身を除く): 12129350

約数列:

[1, 2, 41, 67, 82, 134, 2747, 3943, 5494, 7886, 161663, 264181, 323326, 528362, 10831421, 21662842]

約数ペア:

[(1, 21662842), (2, 10831421), (41, 528362), (67, 323326), (82, 264181), (134, 161663), (2747, 7886), (3943, 5494)]