21711963

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79531}}^1$

素因数の和:79554

約数の個数: 16

約数和(自身を含む): 35630336

約数和(自身を除く): 13918373

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 79531, 238593, 556717, 1033903, 1670151, 3101709, 7237321, 21711963]

約数ペア:

[(1, 21711963), (3, 7237321), (7, 3101709), (13, 1670151), (21, 1033903), (39, 556717), (91, 238593), (273, 79531)]