21164949

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3547}}^1$

素因数の和:3586

約数の個数: 32

約数和(自身を含む): 35763840

約数和(自身を除く): 14598891

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 3547, 5967, 10641, 31923, 46111, 60299, 95769, 138333, 180897, 414999, 542691, 783887, 1244997, 1628073, 2351661, 7054983, 21164949]

約数ペア:

[(1, 21164949), (3, 7054983), (9, 2351661), (13, 1628073), (17, 1244997), (27, 783887), (39, 542691), (51, 414999), (117, 180897), (153, 138333), (221, 95769), (351, 60299), (459, 46111), (663, 31923), (1989, 10641), (3547, 5967)]