21109768

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2441}}^1$

素因数の和:2517

約数の個数: 32

約数和(自身を含む): 42197760

約数和(自身を除く): 21087992

約数列:

[1, 2, 4, 8, 23, 46, 47, 92, 94, 184, 188, 376, 1081, 2162, 2441, 4324, 4882, 8648, 9764, 19528, 56143, 112286, 114727, 224572, 229454, 449144, 458908, 917816, 2638721, 5277442, 10554884, 21109768]

約数ペア:

[(1, 21109768), (2, 10554884), (4, 5277442), (8, 2638721), (23, 917816), (46, 458908), (47, 449144), (92, 229454), (94, 224572), (184, 114727), (188, 112286), (376, 56143), (1081, 19528), (2162, 9764), (2441, 8648), (4324, 4882)]