21346836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5407}}^1$

素因数の和:5468

約数の個数: 48

約数和(自身を含む): 58146816

約数和(自身を除く): 36799980

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 5407, 10814, 16221, 21628, 32442, 37849, 64884, 75698, 113547, 151396, 227094, 254129, 454188, 508258, 762387, 1016516, 1524774, 1778903, 3049548, 3557806, 5336709, 7115612, 10673418, 21346836]

約数ペア:

[(1, 21346836), (2, 10673418), (3, 7115612), (4, 5336709), (6, 3557806), (7, 3049548), (12, 1778903), (14, 1524774), (21, 1016516), (28, 762387), (42, 508258), (47, 454188), (84, 254129), (94, 227094), (141, 151396), (188, 113547), (282, 75698), (329, 64884), (564, 37849), (658, 32442), (987, 21628), (1316, 16221), (1974, 10814), (3948, 5407)]