2646

素因数分解:

$2^1\times 3^3\times 7^2$

素因数の和:25

約数の個数: 24

約数和(自身を含む): 6840

約数和(自身を除く): 4194

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646]

約数ペア:

[(1, 2646), (2, 1323), (3, 882), (6, 441), (7, 378), (9, 294), (14, 189), (18, 147), (21, 126), (27, 98), (42, 63), (49, 54)]