21186456

素因数分解:

$2^3\times 3^1\times {\mathrm{631}}^1\times {\mathrm{1399}}^1$

素因数の和:2039

約数の個数: 32

約数和(自身を含む): 53088000

約数和(自身を除く): 31901544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 631, 1262, 1399, 1893, 2524, 2798, 3786, 4197, 5048, 5596, 7572, 8394, 11192, 15144, 16788, 33576, 882769, 1765538, 2648307, 3531076, 5296614, 7062152, 10593228, 21186456]

約数ペア:

[(1, 21186456), (2, 10593228), (3, 7062152), (4, 5296614), (6, 3531076), (8, 2648307), (12, 1765538), (24, 882769), (631, 33576), (1262, 16788), (1399, 15144), (1893, 11192), (2524, 8394), (2798, 7572), (3786, 5596), (4197, 5048)]