21321076

素因数分解:

$2^2\times 7^2\times {\mathrm{181}}^1\times {\mathrm{601}}^1$

素因数の和:800

約数の個数: 36

約数和(自身を含む): 43716036

約数和(自身を除く): 22394960

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 181, 196, 362, 601, 724, 1202, 1267, 2404, 2534, 4207, 5068, 8414, 8869, 16828, 17738, 29449, 35476, 58898, 108781, 117796, 217562, 435124, 761467, 1522934, 3045868, 5330269, 10660538, 21321076]

約数ペア:

[(1, 21321076), (2, 10660538), (4, 5330269), (7, 3045868), (14, 1522934), (28, 761467), (49, 435124), (98, 217562), (181, 117796), (196, 108781), (362, 58898), (601, 35476), (724, 29449), (1202, 17738), (1267, 16828), (2404, 8869), (2534, 8414), (4207, 5068)]