21772744

素因数分解:

$2^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1549}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 46872000

約数和(自身を除く): 25099256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 251, 502, 1004, 1549, 1757, 2008, 3098, 3514, 6196, 7028, 10843, 12392, 14056, 21686, 43372, 86744, 388799, 777598, 1555196, 2721593, 3110392, 5443186, 10886372, 21772744]

約数ペア:

[(1, 21772744), (2, 10886372), (4, 5443186), (7, 3110392), (8, 2721593), (14, 1555196), (28, 777598), (56, 388799), (251, 86744), (502, 43372), (1004, 21686), (1549, 14056), (1757, 12392), (2008, 10843), (3098, 7028), (3514, 6196)]