21540156

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 60238080

約数和(自身を除く): 38697924

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 29, 33, 34, 44, 51, 58, 66, 68, 87, 102, 116, 132, 174, 187, 204, 319, 331, 348, 374, 493, 561, 638, 662, 748, 957, 986, 993, 1122, 1276, 1324, 1479, 1914, 1972, 1986, 2244, 2958, 3641, 3828, 3972, 5423, 5627, 5916, 7282, 9599, 10846, 10923, 11254, 14564, 16269, 16881, 19198, 21692, 21846, 22508, 28797, 32538, 33762, 38396, 43692, 57594, 61897, 65076, 67524, 105589, 115188, 123794, 163183, 185691, 211178, 247588, 316767, 326366, 371382, 422356, 489549, 633534, 652732, 742764, 979098, 1267068, 1795013, 1958196, 3590026, 5385039, 7180052, 10770078, 21540156]

約数ペア:

[(1, 21540156), (2, 10770078), (3, 7180052), (4, 5385039), (6, 3590026), (11, 1958196), (12, 1795013), (17, 1267068), (22, 979098), (29, 742764), (33, 652732), (34, 633534), (44, 489549), (51, 422356), (58, 371382), (66, 326366), (68, 316767), (87, 247588), (102, 211178), (116, 185691), (132, 163183), (174, 123794), (187, 115188), (204, 105589), (319, 67524), (331, 65076), (348, 61897), (374, 57594), (493, 43692), (561, 38396), (638, 33762), (662, 32538), (748, 28797), (957, 22508), (986, 21846), (993, 21692), (1122, 19198), (1276, 16881), (1324, 16269), (1479, 14564), (1914, 11254), (1972, 10923), (1986, 10846), (2244, 9599), (2958, 7282), (3641, 5916), (3828, 5627), (3972, 5423)]