21181984

素因数分解:

$2^5\times {\mathrm{283}}^1\times {\mathrm{2339}}^1$

素因数の和:2632

約数の個数: 24

約数和(自身を含む): 41867280

約数和(自身を除く): 20685296

約数列:

[1, 2, 4, 8, 16, 32, 283, 566, 1132, 2264, 2339, 4528, 4678, 9056, 9356, 18712, 37424, 74848, 661937, 1323874, 2647748, 5295496, 10590992, 21181984]

約数ペア:

[(1, 21181984), (2, 10590992), (4, 5295496), (8, 2647748), (16, 1323874), (32, 661937), (283, 74848), (566, 37424), (1132, 18712), (2264, 9356), (2339, 9056), (4528, 4678)]