21241077

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{739}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 33815040

約数和(自身を除く): 12573963

約数列:

[1, 3, 11, 13, 33, 39, 67, 143, 201, 429, 737, 739, 871, 2211, 2217, 2613, 8129, 9581, 9607, 24387, 28743, 28821, 49513, 105677, 148539, 317031, 544643, 643669, 1633929, 1931007, 7080359, 21241077]

約数ペア:

[(1, 21241077), (3, 7080359), (11, 1931007), (13, 1633929), (33, 643669), (39, 544643), (67, 317031), (143, 148539), (201, 105677), (429, 49513), (737, 28821), (739, 28743), (871, 24387), (2211, 9607), (2217, 9581), (2613, 8129)]