21799864

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{66463}}^1$

素因数の和:66510

約数の個数: 16

約数和(自身を含む): 41872320

約数和(自身を除く): 20072456

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 66463, 132926, 265852, 531704, 2724983, 5449966, 10899932, 21799864]

約数ペア:

[(1, 21799864), (2, 10899932), (4, 5449966), (8, 2724983), (41, 531704), (82, 265852), (164, 132926), (328, 66463)]