21497792

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19759}}^1$

素因数の和:19788

約数の個数: 28

約数和(自身を含む): 45171360

約数和(自身を除く): 23673568

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 19759, 39518, 79036, 158072, 316144, 335903, 632288, 671806, 1264576, 1343612, 2687224, 5374448, 10748896, 21497792]

約数ペア:

[(1, 21497792), (2, 10748896), (4, 5374448), (8, 2687224), (16, 1343612), (17, 1264576), (32, 671806), (34, 632288), (64, 335903), (68, 316144), (136, 158072), (272, 79036), (544, 39518), (1088, 19759)]