22405257

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5009}}^1$

素因数の和:5093

約数の個数: 24

約数和(自身を含む): 37514880

約数和(自身を除く): 15109623

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 5009, 15027, 35063, 45081, 105189, 315567, 355639, 1066917, 2489473, 3200751, 7468419, 22405257]

約数ペア:

[(1, 22405257), (3, 7468419), (7, 3200751), (9, 2489473), (21, 1066917), (63, 355639), (71, 315567), (213, 105189), (497, 45081), (639, 35063), (1491, 15027), (4473, 5009)]