21106899

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23689}}^1$

素因数の和:23712

約数の個数: 20

約数和(自身を含む): 34397880

約数和(自身を除く): 13290981

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 23689, 71067, 213201, 260579, 639603, 781737, 1918809, 2345211, 7035633, 21106899]

約数ペア:

[(1, 21106899), (3, 7035633), (9, 2345211), (11, 1918809), (27, 781737), (33, 639603), (81, 260579), (99, 213201), (297, 71067), (891, 23689)]