213399890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1939999}}^1$

素因数の和:1940017

約数の個数: 16

約数和(自身を含む): 419040000

約数和(自身を除く): 205640110

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1939999, 3879998, 9699995, 19399990, 21339989, 42679978, 106699945, 213399890]

約数ペア:

[(1, 213399890), (2, 106699945), (5, 42679978), (10, 21339989), (11, 19399990), (22, 9699995), (55, 3879998), (110, 1939999)]