21763647

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{1933}}^1$

素因数の和:2084

約数の個数: 20

約数和(自身を含む): 32761960

約数和(自身を除く): 10998313

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 1933, 3753, 5799, 11259, 17397, 52191, 156573, 268687, 806061, 2418183, 7254549, 21763647]

約数ペア:

[(1, 21763647), (3, 7254549), (9, 2418183), (27, 806061), (81, 268687), (139, 156573), (417, 52191), (1251, 17397), (1933, 11259), (3753, 5799)]