21276002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 36111744

約数和(自身を除く): 14835742

約数列:

[1, 2, 11, 22, 53, 71, 106, 142, 257, 514, 583, 781, 1166, 1562, 2827, 3763, 5654, 7526, 13621, 18247, 27242, 36494, 41393, 82786, 149831, 200717, 299662, 401434, 967091, 1934182, 10638001, 21276002]

約数ペア:

[(1, 21276002), (2, 10638001), (11, 1934182), (22, 967091), (53, 401434), (71, 299662), (106, 200717), (142, 149831), (257, 82786), (514, 41393), (583, 36494), (781, 27242), (1166, 18247), (1562, 13621), (2827, 7526), (3763, 5654)]