2021590347

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2238749}}^1$

素因数の和:2238802

約数の個数: 16

約数和(自身を含む): 3152160000

約数和(自身を除く): 1130569653

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 2238749, 6716247, 15671243, 47013729, 96266207, 288798621, 673863449, 2021590347]

約数ペア:

[(1, 2021590347), (3, 673863449), (7, 288798621), (21, 96266207), (43, 47013729), (129, 15671243), (301, 6716247), (903, 2238749)]