21764919

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{2251}}^1$

素因数の和:2558

約数の個数: 16

約数和(自身を含む): 31780224

約数和(自身を除く): 10015305

約数列:

[1, 3, 11, 33, 293, 879, 2251, 3223, 6753, 9669, 24761, 74283, 659543, 1978629, 7254973, 21764919]

約数ペア:

[(1, 21764919), (3, 7254973), (11, 1978629), (33, 659543), (293, 74283), (879, 24761), (2251, 9669), (3223, 6753)]