21645582

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{515371}}^1$

素因数の和:515383

約数の個数: 16

約数和(自身を含む): 49475712

約数和(自身を除く): 27830130

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 515371, 1030742, 1546113, 3092226, 3607597, 7215194, 10822791, 21645582]

約数ペア:

[(1, 21645582), (2, 10822791), (3, 7215194), (6, 3607597), (7, 3092226), (14, 1546113), (21, 1030742), (42, 515371)]