21437248

素因数分解:

$2^6\times 7^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:567

約数の個数: 56

約数和(自身を含む): 49174400

約数和(自身を除く): 27737152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 109, 112, 218, 224, 436, 439, 448, 763, 872, 878, 1526, 1744, 1756, 3052, 3073, 3488, 3512, 6104, 6146, 6976, 7024, 12208, 12292, 14048, 24416, 24584, 28096, 47851, 48832, 49168, 95702, 98336, 191404, 196672, 334957, 382808, 669914, 765616, 1339828, 1531232, 2679656, 3062464, 5359312, 10718624, 21437248]

約数ペア:

[(1, 21437248), (2, 10718624), (4, 5359312), (7, 3062464), (8, 2679656), (14, 1531232), (16, 1339828), (28, 765616), (32, 669914), (56, 382808), (64, 334957), (109, 196672), (112, 191404), (218, 98336), (224, 95702), (436, 49168), (439, 48832), (448, 47851), (763, 28096), (872, 24584), (878, 24416), (1526, 14048), (1744, 12292), (1756, 12208), (3052, 7024), (3073, 6976), (3488, 6146), (3512, 6104)]