2021621889

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{290839}}^1$

素因数の和:291180

約数の個数: 16

約数和(自身を含む): 3089884160

約数和(自身を除く): 1068262271

約数列:

[1, 3, 7, 21, 331, 993, 2317, 6951, 290839, 872517, 2035873, 6107619, 96267709, 288803127, 673873963, 2021621889]

約数ペア:

[(1, 2021621889), (3, 673873963), (7, 288803127), (21, 96267709), (331, 6107619), (993, 2035873), (2317, 872517), (6951, 290839)]