21529284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{256301}}^1$

素因数の和:256315

約数の個数: 24

約数和(自身を含む): 57411648

約数和(自身を除く): 35882364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 256301, 512602, 768903, 1025204, 1537806, 1794107, 3075612, 3588214, 5382321, 7176428, 10764642, 21529284]

約数ペア:

[(1, 21529284), (2, 10764642), (3, 7176428), (4, 5382321), (6, 3588214), (7, 3075612), (12, 1794107), (14, 1537806), (21, 1025204), (28, 768903), (42, 512602), (84, 256301)]