21504483

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:86

約数の個数: 108

約数和(自身を含む): 44151744

約数和(自身を除く): 22647261

約数列:

[1, 3, 7, 9, 11, 13, 21, 31, 33, 39, 49, 63, 77, 91, 93, 99, 117, 121, 143, 147, 217, 231, 273, 279, 341, 363, 403, 429, 441, 539, 637, 651, 693, 819, 847, 1001, 1023, 1089, 1209, 1287, 1519, 1573, 1617, 1911, 1953, 2387, 2541, 2821, 3003, 3069, 3627, 3751, 4433, 4557, 4719, 4851, 5733, 5929, 7007, 7161, 7623, 8463, 9009, 11011, 11253, 13299, 13671, 14157, 16709, 17787, 19747, 21021, 21483, 25389, 26257, 31031, 33033, 33759, 39897, 48763, 50127, 53361, 59241, 63063, 77077, 78771, 93093, 99099, 146289, 150381, 177723, 183799, 217217, 231231, 236313, 279279, 341341, 438867, 551397, 651651, 693693, 1024023, 1654191, 1954953, 2389387, 3072069, 7168161, 21504483]

約数ペア:

[(1, 21504483), (3, 7168161), (7, 3072069), (9, 2389387), (11, 1954953), (13, 1654191), (21, 1024023), (31, 693693), (33, 651651), (39, 551397), (49, 438867), (63, 341341), (77, 279279), (91, 236313), (93, 231231), (99, 217217), (117, 183799), (121, 177723), (143, 150381), (147, 146289), (217, 99099), (231, 93093), (273, 78771), (279, 77077), (341, 63063), (363, 59241), (403, 53361), (429, 50127), (441, 48763), (539, 39897), (637, 33759), (651, 33033), (693, 31031), (819, 26257), (847, 25389), (1001, 21483), (1023, 21021), (1089, 19747), (1209, 17787), (1287, 16709), (1519, 14157), (1573, 13671), (1617, 13299), (1911, 11253), (1953, 11011), (2387, 9009), (2541, 8463), (2821, 7623), (3003, 7161), (3069, 7007), (3627, 5929), (3751, 5733), (4433, 4851), (4557, 4719)]