21776541

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{6373}}^1$

素因数の和:6460

約数の個数: 16

約数和(自身を含む): 31207104

約数和(自身を除く): 9430563

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 6373, 19119, 108341, 325023, 426991, 1280973, 7258847, 21776541]

約数ペア:

[(1, 21776541), (3, 7258847), (17, 1280973), (51, 426991), (67, 325023), (201, 108341), (1139, 19119), (3417, 6373)]