21100299

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{1381}}^1$

素因数の和:1858

約数の個数: 16

約数和(自身を含む): 30779904

約数和(自身を除く): 9679605

約数列:

[1, 3, 11, 33, 463, 1381, 1389, 4143, 5093, 15191, 15279, 45573, 639403, 1918209, 7033433, 21100299]

約数ペア:

[(1, 21100299), (3, 7033433), (11, 1918209), (33, 639403), (463, 45573), (1381, 15279), (1389, 15191), (4143, 5093)]