21449764

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9697}}^1$

素因数の和:9787

約数の個数: 24

約数和(自身を含む): 43447040

約数和(自身を除く): 21997276

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9697, 19394, 38788, 67879, 135758, 271516, 766063, 1532126, 3064252, 5362441, 10724882, 21449764]

約数ペア:

[(1, 21449764), (2, 10724882), (4, 5362441), (7, 3064252), (14, 1532126), (28, 766063), (79, 271516), (158, 135758), (316, 67879), (553, 38788), (1106, 19394), (2212, 9697)]