21788206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{7229}}^1$

素因数の和:7379

約数の個数: 16

約数和(自身を含む): 35918640

約数和(自身を除く): 14130434

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 7229, 14458, 79519, 159038, 990373, 1980746, 10894103, 21788206]

約数ペア:

[(1, 21788206), (2, 10894103), (11, 1980746), (22, 990373), (137, 159038), (274, 79519), (1507, 14458), (3014, 7229)]