21062457

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2609}}^1$

素因数の和:2654

約数の個数: 32

約数和(自身を含む): 35078400

約数和(自身を除く): 14015943

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2609, 2691, 7827, 8073, 23481, 33917, 60007, 70443, 101751, 180021, 305253, 540063, 780091, 915759, 1620189, 2340273, 7020819, 21062457]

約数ペア:

[(1, 21062457), (3, 7020819), (9, 2340273), (13, 1620189), (23, 915759), (27, 780091), (39, 540063), (69, 305253), (117, 180021), (207, 101751), (299, 70443), (351, 60007), (621, 33917), (897, 23481), (2609, 8073), (2691, 7827)]