21636495

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28283}}^1$

素因数の和:28311

約数の個数: 24

約数和(自身を含む): 39710736

約数和(自身を除く): 18074241

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 28283, 84849, 141415, 254547, 424245, 480811, 1272735, 1442433, 2404055, 4327299, 7212165, 21636495]

約数ペア:

[(1, 21636495), (3, 7212165), (5, 4327299), (9, 2404055), (15, 1442433), (17, 1272735), (45, 480811), (51, 424245), (85, 254547), (153, 141415), (255, 84849), (765, 28283)]