21675876

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 52752000

約数和(自身を除く): 31076124

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 199, 313, 348, 398, 597, 626, 796, 939, 1194, 1252, 1878, 2388, 3756, 5771, 9077, 11542, 17313, 18154, 23084, 27231, 34626, 36308, 54462, 62287, 69252, 108924, 124574, 186861, 249148, 373722, 747444, 1806323, 3612646, 5418969, 7225292, 10837938, 21675876]

約数ペア:

[(1, 21675876), (2, 10837938), (3, 7225292), (4, 5418969), (6, 3612646), (12, 1806323), (29, 747444), (58, 373722), (87, 249148), (116, 186861), (174, 124574), (199, 108924), (313, 69252), (348, 62287), (398, 54462), (597, 36308), (626, 34626), (796, 27231), (939, 23084), (1194, 18154), (1252, 17313), (1878, 11542), (2388, 9077), (3756, 5771)]