21788808

素因数分解:

$2^3\times 3^1\times {\mathrm{251}}^1\times {\mathrm{3617}}^1$

素因数の和:3877

約数の個数: 32

約数和(自身を含む): 54704160

約数和(自身を除く): 32915352

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 251, 502, 753, 1004, 1506, 2008, 3012, 3617, 6024, 7234, 10851, 14468, 21702, 28936, 43404, 86808, 907867, 1815734, 2723601, 3631468, 5447202, 7262936, 10894404, 21788808]

約数ペア:

[(1, 21788808), (2, 10894404), (3, 7262936), (4, 5447202), (6, 3631468), (8, 2723601), (12, 1815734), (24, 907867), (251, 86808), (502, 43404), (753, 28936), (1004, 21702), (1506, 14468), (2008, 10851), (3012, 7234), (3617, 6024)]