21700347

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{919}}^1$

素因数の和:1402

約数の個数: 16

約数和(自身を含む): 30735360

約数和(自身を除く): 9035013

約数列:

[1, 3, 17, 51, 463, 919, 1389, 2757, 7871, 15623, 23613, 46869, 425497, 1276491, 7233449, 21700347]

約数ペア:

[(1, 21700347), (3, 7233449), (17, 1276491), (51, 425497), (463, 46869), (919, 23613), (1389, 15623), (2757, 7871)]