21627151

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5527}}^1$

素因数の和:5590

約数の個数: 16

約数和(自身を含む): 27241984

約数和(自身を除く): 5614833

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 5527, 38689, 71851, 237661, 502957, 1663627, 3089593, 21627151]

約数ペア:

[(1, 21627151), (7, 3089593), (13, 1663627), (43, 502957), (91, 237661), (301, 71851), (559, 38689), (3913, 5527)]