2091010

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{991}}^1$

素因数の和:1209

約数の個数: 16

約数和(自身を含む): 3785472

約数和(自身を除く): 1694462

約数列:

[1, 2, 5, 10, 211, 422, 991, 1055, 1982, 2110, 4955, 9910, 209101, 418202, 1045505, 2091010]

約数ペア:

[(1, 2091010), (2, 1045505), (5, 418202), (10, 209101), (211, 9910), (422, 4955), (991, 2110), (1055, 1982)]