2021557825

素因数分解:

$5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{112153}}^1$

素因数の和:112273

約数の個数: 24

約数和(自身を含む): 2892675968

約数和(自身を除く): 871118143

約数列:

[1, 5, 7, 25, 35, 103, 175, 515, 721, 2575, 3605, 18025, 112153, 560765, 785071, 2803825, 3925355, 11551759, 19626775, 57758795, 80862313, 288793975, 404311565, 2021557825]

約数ペア:

[(1, 2021557825), (5, 404311565), (7, 288793975), (25, 80862313), (35, 57758795), (103, 19626775), (175, 11551759), (515, 3925355), (721, 2803825), (2575, 785071), (3605, 560765), (18025, 112153)]