2121570507

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{911}}^1\times {\mathrm{2579}}^1$

素因数の和:3543

約数の個数: 32

約数和(自身を含む): 3312967680

約数和(自身を除く): 1191397173

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 911, 2579, 2733, 6377, 7737, 18053, 19131, 39173, 54159, 110897, 117519, 274211, 332691, 776279, 822633, 2328837, 2349469, 7048407, 16446283, 49338849, 101027167, 303081501, 707190169, 2121570507]

約数ペア:

[(1, 2121570507), (3, 707190169), (7, 303081501), (21, 101027167), (43, 49338849), (129, 16446283), (301, 7048407), (903, 2349469), (911, 2328837), (2579, 822633), (2733, 776279), (6377, 332691), (7737, 274211), (18053, 117519), (19131, 110897), (39173, 54159)]