21749994

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{172619}}^1$

素因数の和:172634

約数の個数: 24

約数和(自身を含む): 53857440

約数和(自身を除く): 32107446

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 172619, 345238, 517857, 1035714, 1208333, 1553571, 2416666, 3107142, 3624999, 7249998, 10874997, 21749994]

約数ペア:

[(1, 21749994), (2, 10874997), (3, 7249998), (6, 3624999), (7, 3107142), (9, 2416666), (14, 1553571), (18, 1208333), (21, 1035714), (42, 517857), (63, 345238), (126, 172619)]