21929054

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 39072000

約数和(自身を除く): 17142946

約数列:

[1, 2, 7, 14, 43, 73, 86, 146, 301, 499, 511, 602, 998, 1022, 3139, 3493, 6278, 6986, 21457, 21973, 36427, 42914, 43946, 72854, 150199, 254989, 300398, 509978, 1566361, 3132722, 10964527, 21929054]

約数ペア:

[(1, 21929054), (2, 10964527), (7, 3132722), (14, 1566361), (43, 509978), (73, 300398), (86, 254989), (146, 150199), (301, 72854), (499, 43946), (511, 42914), (602, 36427), (998, 21973), (1022, 21457), (3139, 6986), (3493, 6278)]