21472308

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 65921856

約数和(自身を除く): 44449548

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 43, 44, 52, 66, 78, 86, 97, 99, 117, 129, 132, 143, 156, 172, 194, 198, 234, 258, 286, 291, 387, 388, 396, 429, 468, 473, 516, 559, 572, 582, 774, 858, 873, 946, 1067, 1118, 1164, 1261, 1287, 1419, 1548, 1677, 1716, 1746, 1892, 2134, 2236, 2522, 2574, 2838, 3201, 3354, 3492, 3783, 4171, 4257, 4268, 5031, 5044, 5148, 5676, 6149, 6402, 6708, 7566, 8342, 8514, 9603, 10062, 11349, 12298, 12513, 12804, 13871, 15132, 16684, 17028, 18447, 19206, 20124, 22698, 24596, 25026, 27742, 36894, 37539, 38412, 41613, 45396, 45881, 50052, 54223, 55341, 55484, 73788, 75078, 83226, 91762, 108446, 110682, 124839, 137643, 150156, 162669, 166452, 183524, 216892, 221364, 249678, 275286, 325338, 412929, 488007, 499356, 550572, 596453, 650676, 825858, 976014, 1192906, 1651716, 1789359, 1952028, 2385812, 3578718, 5368077, 7157436, 10736154, 21472308]

約数ペア:

[(1, 21472308), (2, 10736154), (3, 7157436), (4, 5368077), (6, 3578718), (9, 2385812), (11, 1952028), (12, 1789359), (13, 1651716), (18, 1192906), (22, 976014), (26, 825858), (33, 650676), (36, 596453), (39, 550572), (43, 499356), (44, 488007), (52, 412929), (66, 325338), (78, 275286), (86, 249678), (97, 221364), (99, 216892), (117, 183524), (129, 166452), (132, 162669), (143, 150156), (156, 137643), (172, 124839), (194, 110682), (198, 108446), (234, 91762), (258, 83226), (286, 75078), (291, 73788), (387, 55484), (388, 55341), (396, 54223), (429, 50052), (468, 45881), (473, 45396), (516, 41613), (559, 38412), (572, 37539), (582, 36894), (774, 27742), (858, 25026), (873, 24596), (946, 22698), (1067, 20124), (1118, 19206), (1164, 18447), (1261, 17028), (1287, 16684), (1419, 15132), (1548, 13871), (1677, 12804), (1716, 12513), (1746, 12298), (1892, 11349), (2134, 10062), (2236, 9603), (2522, 8514), (2574, 8342), (2838, 7566), (3201, 6708), (3354, 6402), (3492, 6149), (3783, 5676), (4171, 5148), (4257, 5044), (4268, 5031)]