21014057

素因数分解:

${\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 24314400

約数和(自身を除く): 3300343

約数列:

[1, 17, 19, 43, 89, 289, 323, 731, 817, 1513, 1691, 3827, 5491, 12427, 13889, 25721, 28747, 65059, 72713, 236113, 488699, 1106003, 1236121, 21014057]

約数ペア:

[(1, 21014057), (17, 1236121), (19, 1106003), (43, 488699), (89, 236113), (289, 72713), (323, 65059), (731, 28747), (817, 25721), (1513, 13889), (1691, 12427), (3827, 5491)]