21167881299

素因数分解:

$3^2\times {\mathrm{239}}^1\times {\mathrm{409}}^1\times {\mathrm{24061}}^1$

素因数の和:24715

約数の個数: 24

約数和(自身を含む): 30780110400

約数和(自身を除く): 9612229101

約数列:

[1, 3, 9, 239, 409, 717, 1227, 2151, 3681, 24061, 72183, 97751, 216549, 293253, 879759, 5750579, 9840949, 17251737, 29522847, 51755211, 88568541, 2351986811, 7055960433, 21167881299]

約数ペア:

[(1, 21167881299), (3, 7055960433), (9, 2351986811), (239, 88568541), (409, 51755211), (717, 29522847), (1227, 17251737), (2151, 9840949), (3681, 5750579), (24061, 879759), (72183, 293253), (97751, 216549)]