21231952

素因数分解:

$2^4\times 7^1\times {\mathrm{293}}^1\times {\mathrm{647}}^1$

素因数の和:955

約数の個数: 40

約数和(自身を含む): 47246976

約数和(自身を除く): 26015024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 293, 586, 647, 1172, 1294, 2051, 2344, 2588, 4102, 4529, 4688, 5176, 8204, 9058, 10352, 16408, 18116, 32816, 36232, 72464, 189571, 379142, 758284, 1326997, 1516568, 2653994, 3033136, 5307988, 10615976, 21231952]

約数ペア:

[(1, 21231952), (2, 10615976), (4, 5307988), (7, 3033136), (8, 2653994), (14, 1516568), (16, 1326997), (28, 758284), (56, 379142), (112, 189571), (293, 72464), (586, 36232), (647, 32816), (1172, 18116), (1294, 16408), (2051, 10352), (2344, 9058), (2588, 8204), (4102, 5176), (4529, 4688)]