21327003

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 33569280

約数和(自身を除く): 12242277

約数列:

[1, 3, 9, 23, 27, 61, 69, 183, 207, 549, 563, 621, 1403, 1647, 1689, 4209, 5067, 12627, 12949, 15201, 34343, 37881, 38847, 103029, 116541, 309087, 349623, 789889, 927261, 2369667, 7109001, 21327003]

約数ペア:

[(1, 21327003), (3, 7109001), (9, 2369667), (23, 927261), (27, 789889), (61, 349623), (69, 309087), (183, 116541), (207, 103029), (549, 38847), (563, 37881), (621, 34343), (1403, 15201), (1647, 12949), (1689, 12627), (4209, 5067)]