21743961

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{881}}^1$

素因数の和:1336

約数の個数: 16

約数和(自身を含む): 30623040

約数和(自身を除く): 8879079

約数列:

[1, 3, 19, 57, 433, 881, 1299, 2643, 8227, 16739, 24681, 50217, 381473, 1144419, 7247987, 21743961]

約数ペア:

[(1, 21743961), (3, 7247987), (19, 1144419), (57, 381473), (433, 50217), (881, 24681), (1299, 16739), (2643, 8227)]