2121835

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 16

約数和(自身を含む): 2661120

約数和(自身を除く): 539285

約数列:

[1, 5, 43, 71, 139, 215, 355, 695, 3053, 5977, 9869, 15265, 29885, 49345, 424367, 2121835]

約数ペア:

[(1, 2121835), (5, 424367), (43, 49345), (71, 29885), (139, 15265), (215, 9869), (355, 5977), (695, 3053)]