21808786

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1\times {\mathrm{401}}^1$

素因数の和:857

約数の個数: 16

約数和(自身を含む): 33343488

約数和(自身を除く): 11534702

約数列:

[1, 2, 71, 142, 383, 401, 766, 802, 27193, 28471, 54386, 56942, 153583, 307166, 10904393, 21808786]

約数ペア:

[(1, 21808786), (2, 10904393), (71, 307166), (142, 153583), (383, 56942), (401, 54386), (766, 28471), (802, 27193)]