21038896

素因数分解:

$2^4\times {\mathrm{1063}}^1\times {\mathrm{1237}}^1$

素因数の和:2308

約数の個数: 20

約数和(自身を含む): 40834192

約数和(自身を除く): 19795296

約数列:

[1, 2, 4, 8, 16, 1063, 1237, 2126, 2474, 4252, 4948, 8504, 9896, 17008, 19792, 1314931, 2629862, 5259724, 10519448, 21038896]

約数ペア:

[(1, 21038896), (2, 10519448), (4, 5259724), (8, 2629862), (16, 1314931), (1063, 19792), (1237, 17008), (2126, 9896), (2474, 8504), (4252, 4948)]