21582911

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2707}}^1$

素因数の和:2798

約数の個数: 16

約数和(自身を含む): 26516736

約数和(自身を除く): 4933825

約数列:

[1, 7, 17, 67, 119, 469, 1139, 2707, 7973, 18949, 46019, 181369, 322133, 1269583, 3083273, 21582911]

約数ペア:

[(1, 21582911), (7, 3083273), (17, 1269583), (67, 322133), (119, 181369), (469, 46019), (1139, 18949), (2707, 7973)]