21353772

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{161771}}^1$

素因数の和:161789

約数の個数: 24

約数和(自身を含む): 54355392

約数和(自身を除く): 33001620

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 161771, 323542, 485313, 647084, 970626, 1779481, 1941252, 3558962, 5338443, 7117924, 10676886, 21353772]

約数ペア:

[(1, 21353772), (2, 10676886), (3, 7117924), (4, 5338443), (6, 3558962), (11, 1941252), (12, 1779481), (22, 970626), (33, 647084), (44, 485313), (66, 323542), (132, 161771)]