21569161

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 1931639

約数列:

[1, 19, 59, 71, 271, 1121, 1349, 4189, 5149, 15989, 19241, 79591, 303791, 365579, 1135219, 21569161]

約数ペア:

[(1, 21569161), (19, 1135219), (59, 365579), (71, 303791), (271, 79591), (1121, 19241), (1349, 15989), (4189, 5149)]