21529717

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3323}}^1$

素因数の和:3384

約数の個数: 16

約数和(自身を含む): 25528320

約数和(自身を除く): 3998603

約数列:

[1, 11, 19, 31, 209, 341, 589, 3323, 6479, 36553, 63137, 103013, 694507, 1133143, 1957247, 21529717]

約数ペア:

[(1, 21529717), (11, 1957247), (19, 1133143), (31, 694507), (209, 103013), (341, 63137), (589, 36553), (3323, 6479)]