21866433

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 29768256

約数和(自身を除く): 7901823

約数列:

[1, 3, 83, 137, 249, 411, 641, 1923, 11371, 34113, 53203, 87817, 159609, 263451, 7288811, 21866433]

約数ペア:

[(1, 21866433), (3, 7288811), (83, 263451), (137, 159609), (249, 87817), (411, 53203), (641, 34113), (1923, 11371)]