2821721902

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{19871281}}^1$

素因数の和:19871354

約数の個数: 8

約数和(自身を含む): 4292196912

約数和(自身を除く): 1470475010

約数列:

[1, 2, 71, 142, 19871281, 39742562, 1410860951, 2821721902]

約数ペア:

[(1, 2821721902), (2, 1410860951), (71, 39742562), (142, 19871281)]