21252583

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1667}}^1$

素因数の和:1758

約数の個数: 16

約数和(自身を含む): 24819840

約数和(自身を除く): 3567257

約数列:

[1, 11, 19, 61, 209, 671, 1159, 1667, 12749, 18337, 31673, 101687, 348403, 1118557, 1932053, 21252583]

約数ペア:

[(1, 21252583), (11, 1932053), (19, 1118557), (61, 348403), (209, 101687), (671, 31673), (1159, 18337), (1667, 12749)]