21309232

素因数分解:

$2^4\times 7^1\times {\mathrm{190261}}^1$

素因数の和:190276

約数の個数: 20

約数和(自身を含む): 47184976

約数和(自身を除く): 25875744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 190261, 380522, 761044, 1331827, 1522088, 2663654, 3044176, 5327308, 10654616, 21309232]

約数ペア:

[(1, 21309232), (2, 10654616), (4, 5327308), (7, 3044176), (8, 2663654), (14, 1522088), (16, 1331827), (28, 761044), (56, 380522), (112, 190261)]