21739413

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{1063}}^1$

素因数の和:1484

約数の個数: 16

約数和(自身を含む): 30796416

約数和(自身を除く): 9057003

約数列:

[1, 3, 17, 51, 401, 1063, 1203, 3189, 6817, 18071, 20451, 54213, 426263, 1278789, 7246471, 21739413]

約数ペア:

[(1, 21739413), (3, 7246471), (17, 1278789), (51, 426263), (401, 54213), (1063, 20451), (1203, 18071), (3189, 6817)]