21554929

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1579}}^1$

素因数の和:1680

約数の個数: 16

約数和(自身を含む): 25254720

約数和(自身を除く): 3699791

約数列:

[1, 11, 17, 73, 187, 803, 1241, 1579, 13651, 17369, 26843, 115267, 295273, 1267937, 1959539, 21554929]

約数ペア:

[(1, 21554929), (11, 1959539), (17, 1267937), (73, 295273), (187, 115267), (803, 26843), (1241, 17369), (1579, 13651)]