2021272450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1393981}}^1$

素因数の和:1394022

約数の個数: 24

約数和(自身を含む): 3889209780

約数和(自身を除く): 1867937330

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 1393981, 2787962, 6969905, 13939810, 34849525, 40425449, 69699050, 80850898, 202127245, 404254490, 1010636225, 2021272450]

約数ペア:

[(1, 2021272450), (2, 1010636225), (5, 404254490), (10, 202127245), (25, 80850898), (29, 69699050), (50, 40425449), (58, 34849525), (145, 13939810), (290, 6969905), (725, 2787962), (1450, 1393981)]