21178416

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63031}}^1$

素因数の和:63049

約数の個数: 40

約数和(自身を含む): 62527744

約数和(自身を除く): 41349328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63031, 126062, 189093, 252124, 378186, 441217, 504248, 756372, 882434, 1008496, 1323651, 1512744, 1764868, 2647302, 3025488, 3529736, 5294604, 7059472, 10589208, 21178416]

約数ペア:

[(1, 21178416), (2, 10589208), (3, 7059472), (4, 5294604), (6, 3529736), (7, 3025488), (8, 2647302), (12, 1764868), (14, 1512744), (16, 1323651), (21, 1008496), (24, 882434), (28, 756372), (42, 504248), (48, 441217), (56, 378186), (84, 252124), (112, 189093), (168, 126062), (336, 63031)]