21630939

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1889}}^1$

素因数の和:2250

約数の個数: 16

約数和(自身を含む): 31570560

約数和(自身を除く): 9939621

約数列:

[1, 3, 11, 33, 347, 1041, 1889, 3817, 5667, 11451, 20779, 62337, 655483, 1966449, 7210313, 21630939]

約数ペア:

[(1, 21630939), (3, 7210313), (11, 1966449), (33, 655483), (347, 62337), (1041, 20779), (1889, 11451), (3817, 5667)]