21967143

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{4789}}^1$

素因数の和:4942

約数の個数: 16

約数和(自身を含む): 32188800

約数和(自身を除く): 10221657

約数列:

[1, 3, 11, 33, 139, 417, 1529, 4587, 4789, 14367, 52679, 158037, 665671, 1997013, 7322381, 21967143]

約数ペア:

[(1, 21967143), (3, 7322381), (11, 1997013), (33, 665671), (139, 158037), (417, 52679), (1529, 14367), (4587, 4789)]