21571677

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{11579}}^1$

素因数の和:11614

約数の個数: 20

約数和(自身を含む): 33628320

約数和(自身を除く): 12056643

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 11579, 34737, 104211, 266317, 312633, 798951, 937899, 2396853, 7190559, 21571677]

約数ペア:

[(1, 21571677), (3, 7190559), (9, 2396853), (23, 937899), (27, 798951), (69, 312633), (81, 266317), (207, 104211), (621, 34737), (1863, 11579)]