2021639228

素因数分解:

$2^2\times 7^1\times {\mathrm{72201401}}^1$

素因数の和:72201412

約数の個数: 12

約数和(自身を含む): 4043278512

約数和(自身を除く): 2021639284

約数列:

[1, 2, 4, 7, 14, 28, 72201401, 144402802, 288805604, 505409807, 1010819614, 2021639228]

約数ペア:

[(1, 2021639228), (2, 1010819614), (4, 505409807), (7, 288805604), (14, 144402802), (28, 72201401)]