21168112

素因数分解:

$2^4\times 7^1\times {\mathrm{331}}^1\times {\mathrm{571}}^1$

素因数の和:917

約数の個数: 40

約数和(自身を含む): 47096192

約数和(自身を除く): 25928080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 331, 571, 662, 1142, 1324, 2284, 2317, 2648, 3997, 4568, 4634, 5296, 7994, 9136, 9268, 15988, 18536, 31976, 37072, 63952, 189001, 378002, 756004, 1323007, 1512008, 2646014, 3024016, 5292028, 10584056, 21168112]

約数ペア:

[(1, 21168112), (2, 10584056), (4, 5292028), (7, 3024016), (8, 2646014), (14, 1512008), (16, 1323007), (28, 756004), (56, 378002), (112, 189001), (331, 63952), (571, 37072), (662, 31976), (1142, 18536), (1324, 15988), (2284, 9268), (2317, 9136), (2648, 7994), (3997, 5296), (4568, 4634)]