21137296

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{18097}}^1$

素因数の和:18178

約数の個数: 20

約数和(自身を含む): 41516812

約数和(自身を除く): 20379516

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 18097, 36194, 72388, 144776, 289552, 1321081, 2642162, 5284324, 10568648, 21137296]

約数ペア:

[(1, 21137296), (2, 10568648), (4, 5284324), (8, 2642162), (16, 1321081), (73, 289552), (146, 144776), (292, 72388), (584, 36194), (1168, 18097)]