21022832

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:561

約数の個数: 40

約数和(自身を含む): 42393120

約数和(自身を除く): 21370288

約数列:

[1, 2, 4, 8, 16, 41, 73, 82, 146, 164, 292, 328, 439, 584, 656, 878, 1168, 1756, 2993, 3512, 5986, 7024, 11972, 17999, 23944, 32047, 35998, 47888, 64094, 71996, 128188, 143992, 256376, 287984, 512752, 1313927, 2627854, 5255708, 10511416, 21022832]

約数ペア:

[(1, 21022832), (2, 10511416), (4, 5255708), (8, 2627854), (16, 1313927), (41, 512752), (73, 287984), (82, 256376), (146, 143992), (164, 128188), (292, 71996), (328, 64094), (439, 47888), (584, 35998), (656, 32047), (878, 23944), (1168, 17999), (1756, 11972), (2993, 7024), (3512, 5986)]