21505932

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28447}}^1$

素因数の和:28467

約数の個数: 48

約数和(自身を含む): 63723520

約数和(自身を除く): 42217588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28447, 56894, 85341, 113788, 170682, 199129, 256023, 341364, 398258, 512046, 597387, 768069, 796516, 1024092, 1194774, 1536138, 1792161, 2389548, 3072276, 3584322, 5376483, 7168644, 10752966, 21505932]

約数ペア:

[(1, 21505932), (2, 10752966), (3, 7168644), (4, 5376483), (6, 3584322), (7, 3072276), (9, 2389548), (12, 1792161), (14, 1536138), (18, 1194774), (21, 1024092), (27, 796516), (28, 768069), (36, 597387), (42, 512046), (54, 398258), (63, 341364), (84, 256023), (108, 199129), (126, 170682), (189, 113788), (252, 85341), (378, 56894), (756, 28447)]