21000453588

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{3697}}^1\times {\mathrm{5441}}^1$

素因数の和:9177

約数の個数: 72

約数和(自身を含む): 54939928680

約数和(自身を除く): 33939475092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 3697, 5441, 7394, 10882, 11091, 14788, 16323, 21764, 22182, 32646, 33273, 44364, 48969, 65292, 66546, 97938, 107213, 133092, 157789, 195876, 214426, 315578, 321639, 428852, 473367, 631156, 643278, 946734, 964917, 1286556, 1420101, 1893468, 1929834, 2840202, 3859668, 5680404, 20115377, 40230754, 60346131, 80461508, 120692262, 181038393, 241384524, 362076786, 583345933, 724153572, 1166691866, 1750037799, 2333383732, 3500075598, 5250113397, 7000151196, 10500226794, 21000453588]

約数ペア:

[(1, 21000453588), (2, 10500226794), (3, 7000151196), (4, 5250113397), (6, 3500075598), (9, 2333383732), (12, 1750037799), (18, 1166691866), (29, 724153572), (36, 583345933), (58, 362076786), (87, 241384524), (116, 181038393), (174, 120692262), (261, 80461508), (348, 60346131), (522, 40230754), (1044, 20115377), (3697, 5680404), (5441, 3859668), (7394, 2840202), (10882, 1929834), (11091, 1893468), (14788, 1420101), (16323, 1286556), (21764, 964917), (22182, 946734), (32646, 643278), (33273, 631156), (44364, 473367), (48969, 428852), (65292, 321639), (66546, 315578), (97938, 214426), (107213, 195876), (133092, 157789)]