2021209930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{21149}}^1$

素因数の和:21678

約数の個数: 32

約数和(自身を含む): 3837456000

約数和(自身を除く): 1816246070

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 503, 1006, 2515, 5030, 9557, 19114, 21149, 42298, 47785, 95570, 105745, 211490, 401831, 803662, 2009155, 4018310, 10637947, 21275894, 53189735, 106379470, 202120993, 404241986, 1010604965, 2021209930]

約数ペア:

[(1, 2021209930), (2, 1010604965), (5, 404241986), (10, 202120993), (19, 106379470), (38, 53189735), (95, 21275894), (190, 10637947), (503, 4018310), (1006, 2009155), (2515, 803662), (5030, 401831), (9557, 211490), (19114, 105745), (21149, 95570), (42298, 47785)]