21161954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{2621}}^1$

素因数の和:3001

約数の個数: 16

約数和(自身を含む): 34736256

約数和(自身を除く): 13574302

約数列:

[1, 2, 11, 22, 367, 734, 2621, 4037, 5242, 8074, 28831, 57662, 961907, 1923814, 10580977, 21161954]

約数ペア:

[(1, 21161954), (2, 10580977), (11, 1923814), (22, 961907), (367, 57662), (734, 28831), (2621, 8074), (4037, 5242)]