21619884

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 60850944

約数和(自身を除く): 39231060

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 43, 44, 52, 66, 78, 86, 129, 132, 143, 156, 172, 258, 286, 293, 429, 473, 516, 559, 572, 586, 858, 879, 946, 1118, 1172, 1419, 1677, 1716, 1758, 1892, 2236, 2838, 3223, 3354, 3516, 3809, 5676, 6149, 6446, 6708, 7618, 9669, 11427, 12298, 12599, 12892, 15236, 18447, 19338, 22854, 24596, 25198, 36894, 37797, 38676, 41899, 45708, 50396, 73788, 75594, 83798, 125697, 138589, 151188, 163787, 167596, 251394, 277178, 327574, 415767, 491361, 502788, 554356, 655148, 831534, 982722, 1663068, 1801657, 1965444, 3603314, 5404971, 7206628, 10809942, 21619884]

約数ペア:

[(1, 21619884), (2, 10809942), (3, 7206628), (4, 5404971), (6, 3603314), (11, 1965444), (12, 1801657), (13, 1663068), (22, 982722), (26, 831534), (33, 655148), (39, 554356), (43, 502788), (44, 491361), (52, 415767), (66, 327574), (78, 277178), (86, 251394), (129, 167596), (132, 163787), (143, 151188), (156, 138589), (172, 125697), (258, 83798), (286, 75594), (293, 73788), (429, 50396), (473, 45708), (516, 41899), (559, 38676), (572, 37797), (586, 36894), (858, 25198), (879, 24596), (946, 22854), (1118, 19338), (1172, 18447), (1419, 15236), (1677, 12892), (1716, 12599), (1758, 12298), (1892, 11427), (2236, 9669), (2838, 7618), (3223, 6708), (3354, 6446), (3516, 6149), (3809, 5676)]