21906027

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17021}}^1$

素因数の和:17051

約数の個数: 24

約数和(自身を含む): 37176048

約数和(自身を除く): 15270021

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 17021, 51063, 153189, 187231, 221273, 561693, 663819, 1685079, 1991457, 2434003, 7302009, 21906027]

約数ペア:

[(1, 21906027), (3, 7302009), (9, 2434003), (11, 1991457), (13, 1685079), (33, 663819), (39, 561693), (99, 221273), (117, 187231), (143, 153189), (429, 51063), (1287, 17021)]