21256092

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4129}}^1$

素因数の和:4163

約数の個数: 72

約数和(自身を含む): 63139440

約数和(自身を除く): 41883348

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 4129, 5148, 8258, 12387, 16516, 24774, 37161, 45419, 49548, 53677, 74322, 90838, 107354, 136257, 148644, 161031, 181676, 214708, 272514, 322062, 408771, 483093, 545028, 590447, 644124, 817542, 966186, 1180894, 1635084, 1771341, 1932372, 2361788, 3542682, 5314023, 7085364, 10628046, 21256092]

約数ペア:

[(1, 21256092), (2, 10628046), (3, 7085364), (4, 5314023), (6, 3542682), (9, 2361788), (11, 1932372), (12, 1771341), (13, 1635084), (18, 1180894), (22, 966186), (26, 817542), (33, 644124), (36, 590447), (39, 545028), (44, 483093), (52, 408771), (66, 322062), (78, 272514), (99, 214708), (117, 181676), (132, 161031), (143, 148644), (156, 136257), (198, 107354), (234, 90838), (286, 74322), (396, 53677), (429, 49548), (468, 45419), (572, 37161), (858, 24774), (1287, 16516), (1716, 12387), (2574, 8258), (4129, 5148)]