21115061

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3259}}^1$

素因数の和:3320

約数の個数: 16

約数和(自身を含む): 25036800

約数和(自身を除く): 3921739

約数列:

[1, 11, 19, 31, 209, 341, 589, 3259, 6479, 35849, 61921, 101029, 681131, 1111319, 1919551, 21115061]

約数ペア:

[(1, 21115061), (11, 1919551), (19, 1111319), (31, 681131), (209, 101029), (341, 61921), (589, 35849), (3259, 6479)]