21448192

素因数分解:

$2^9\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:438

約数の個数: 40

約数和(自身を含む): 43285176

約数和(自身を除く): 21836984

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163, 256, 257, 326, 512, 514, 652, 1028, 1304, 2056, 2608, 4112, 5216, 8224, 10432, 16448, 20864, 32896, 41728, 41891, 65792, 83456, 83782, 131584, 167564, 335128, 670256, 1340512, 2681024, 5362048, 10724096, 21448192]

約数ペア:

[(1, 21448192), (2, 10724096), (4, 5362048), (8, 2681024), (16, 1340512), (32, 670256), (64, 335128), (128, 167564), (163, 131584), (256, 83782), (257, 83456), (326, 65792), (512, 41891), (514, 41728), (652, 32896), (1028, 20864), (1304, 16448), (2056, 10432), (2608, 8224), (4112, 5216)]