2021319610

素因数分解:

$2^1\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{200329}}^1$

素因数の和:201345

約数の個数: 16

約数和(自身を含む): 3641999400

約数和(自身を除く): 1620679790

約数列:

[1, 2, 5, 10, 1009, 2018, 5045, 10090, 200329, 400658, 1001645, 2003290, 202131961, 404263922, 1010659805, 2021319610]

約数ペア:

[(1, 2021319610), (2, 1010659805), (5, 404263922), (10, 202131961), (1009, 2003290), (2018, 1001645), (5045, 400658), (10090, 200329)]