21541352

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1933}}^1$

素因数の和:2145

約数の個数: 32

約数和(自身を含む): 46416000

約数和(自身を除く): 24874648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1592, 1933, 2786, 3866, 5572, 7732, 11144, 13531, 15464, 27062, 54124, 108248, 384667, 769334, 1538668, 2692669, 3077336, 5385338, 10770676, 21541352]

約数ペア:

[(1, 21541352), (2, 10770676), (4, 5385338), (7, 3077336), (8, 2692669), (14, 1538668), (28, 769334), (56, 384667), (199, 108248), (398, 54124), (796, 27062), (1393, 15464), (1592, 13531), (1933, 11144), (2786, 7732), (3866, 5572)]