42921963

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4973}}^1$

素因数の和:5123

約数の個数: 24

約数和(自身を含む): 71386848

約数和(自身を除く): 28464885

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 4973, 8631, 14919, 34811, 44757, 104433, 313299, 681301, 2043903, 4769107, 6131709, 14307321, 42921963]

約数ペア:

[(1, 42921963), (3, 14307321), (7, 6131709), (9, 4769107), (21, 2043903), (63, 681301), (137, 313299), (411, 104433), (959, 44757), (1233, 34811), (2877, 14919), (4973, 8631)]