21250911

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{33893}}^1$

素因数の和:33926

約数の個数: 16

約数和(自身を含む): 32538240

約数和(自身を除く): 11287329

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 33893, 101679, 372823, 643967, 1118469, 1931901, 7083637, 21250911]

約数ペア:

[(1, 21250911), (3, 7083637), (11, 1931901), (19, 1118469), (33, 643967), (57, 372823), (209, 101679), (627, 33893)]