21655235

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{6007}}^1$

素因数の和:6122

約数の個数: 16

約数和(自身を含む): 29991936

約数和(自身を除く): 8336701

約数列:

[1, 5, 7, 35, 103, 515, 721, 3605, 6007, 30035, 42049, 210245, 618721, 3093605, 4331047, 21655235]

約数ペア:

[(1, 21655235), (5, 4331047), (7, 3093605), (35, 618721), (103, 210245), (515, 42049), (721, 30035), (3605, 6007)]