21449968161

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{920323}}^1$

素因数の和:920800

約数の個数: 16

約数和(自身を含む): 30348604224

約数和(自身を除く): 8898636063

約数列:

[1, 3, 17, 51, 457, 1371, 7769, 23307, 920323, 2760969, 15645491, 46936473, 420587611, 1261762833, 7149989387, 21449968161]

約数ペア:

[(1, 21449968161), (3, 7149989387), (17, 1261762833), (51, 420587611), (457, 46936473), (1371, 15645491), (7769, 2760969), (23307, 920323)]