21209856

素因数分解:

$2^8\times 3^1\times {\mathrm{27617}}^1$

素因数の和:27636

約数の個数: 36

約数和(自身を含む): 56451192

約数和(自身を除く): 35241336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 27617, 55234, 82851, 110468, 165702, 220936, 331404, 441872, 662808, 883744, 1325616, 1767488, 2651232, 3534976, 5302464, 7069952, 10604928, 21209856]

約数ペア:

[(1, 21209856), (2, 10604928), (3, 7069952), (4, 5302464), (6, 3534976), (8, 2651232), (12, 1767488), (16, 1325616), (24, 883744), (32, 662808), (48, 441872), (64, 331404), (96, 220936), (128, 165702), (192, 110468), (256, 82851), (384, 55234), (768, 27617)]