16921877

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2689}}^1$

素因数の和:2756

約数の個数: 16

約数和(自身を含む): 20659200

約数和(自身を除く): 3737323

約数列:

[1, 7, 29, 31, 203, 217, 899, 2689, 6293, 18823, 77981, 83359, 545867, 583513, 2417411, 16921877]

約数ペア:

[(1, 16921877), (7, 2417411), (29, 583513), (31, 545867), (203, 83359), (217, 77981), (899, 18823), (2689, 6293)]