21731784

素因数分解:

$2^3\times 3^1\times {\mathrm{905491}}^1$

素因数の和:905500

約数の個数: 16

約数和(自身を含む): 54329520

約数和(自身を除く): 32597736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 905491, 1810982, 2716473, 3621964, 5432946, 7243928, 10865892, 21731784]

約数ペア:

[(1, 21731784), (2, 10865892), (3, 7243928), (4, 5432946), (6, 3621964), (8, 2716473), (12, 1810982), (24, 905491)]