21142374

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{320339}}^1$

素因数の和:320355

約数の個数: 16

約数和(自身を含む): 46128960

約数和(自身を除く): 24986586

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 320339, 640678, 961017, 1922034, 3523729, 7047458, 10571187, 21142374]

約数ペア:

[(1, 21142374), (2, 10571187), (3, 7047458), (6, 3523729), (11, 1922034), (22, 961017), (33, 640678), (66, 320339)]