21595976

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{937}}^1$

素因数の和:1053

約数の個数: 32

約数和(自身を含む): 42097440

約数和(自身を除く): 20501464

約数列:

[1, 2, 4, 8, 43, 67, 86, 134, 172, 268, 344, 536, 937, 1874, 2881, 3748, 5762, 7496, 11524, 23048, 40291, 62779, 80582, 125558, 161164, 251116, 322328, 502232, 2699497, 5398994, 10797988, 21595976]

約数ペア:

[(1, 21595976), (2, 10797988), (4, 5398994), (8, 2699497), (43, 502232), (67, 322328), (86, 251116), (134, 161164), (172, 125558), (268, 80582), (344, 62779), (536, 40291), (937, 23048), (1874, 11524), (2881, 7496), (3748, 5762)]