21000810893

素因数分解:

${\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1\times {\mathrm{8501}}^1$

素因数の和:9404

約数の個数: 16

約数和(自身を含む): 21813819456

約数和(自身を除く): 813008563

約数列:

[1, 43, 73, 787, 3139, 8501, 33841, 57451, 365543, 620573, 2470393, 6690287, 26684639, 287682341, 488390951, 21000810893]

約数ペア:

[(1, 21000810893), (43, 488390951), (73, 287682341), (787, 26684639), (3139, 6690287), (8501, 2470393), (33841, 620573), (57451, 365543)]