2021137270

素因数分解:

$2^1\times 5^1\times {\mathrm{9829}}^1\times {\mathrm{20563}}^1$

素因数の和:30399

約数の個数: 16

約数和(自身を含む): 3638594160

約数和(自身を除く): 1617456890

約数列:

[1, 2, 5, 10, 9829, 19658, 20563, 41126, 49145, 98290, 102815, 205630, 202113727, 404227454, 1010568635, 2021137270]

約数ペア:

[(1, 2021137270), (2, 1010568635), (5, 404227454), (10, 202113727), (9829, 205630), (19658, 102815), (20563, 98290), (41126, 49145)]