2016537621

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{721997}}^1$

素因数の和:722033

約数の個数: 24

約数和(自身を含む): 3292310880

約数和(自身を除く): 1275773259

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 721997, 2165991, 5053979, 13717943, 15161937, 35377853, 41153829, 96025601, 106133559, 288076803, 672179207, 2016537621]

約数ペア:

[(1, 2016537621), (3, 672179207), (7, 288076803), (19, 106133559), (21, 96025601), (49, 41153829), (57, 35377853), (133, 15161937), (147, 13717943), (399, 5053979), (931, 2165991), (2793, 721997)]