21627568

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{2753}}^1$

素因数の和:3252

約数の個数: 20

約数和(自身を含む): 42004008

約数和(自身を除く): 20376440

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 2753, 3928, 5506, 7856, 11012, 22024, 44048, 1351723, 2703446, 5406892, 10813784, 21627568]

約数ペア:

[(1, 21627568), (2, 10813784), (4, 5406892), (8, 2703446), (16, 1351723), (491, 44048), (982, 22024), (1964, 11012), (2753, 7856), (3928, 5506)]