21327306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 59222016

約数和(自身を除く): 37894710

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 53, 66, 67, 77, 78, 91, 106, 134, 143, 154, 159, 182, 201, 231, 273, 286, 318, 371, 402, 429, 462, 469, 546, 583, 689, 737, 742, 858, 871, 938, 1001, 1113, 1166, 1378, 1407, 1474, 1742, 1749, 2002, 2067, 2211, 2226, 2613, 2814, 3003, 3498, 3551, 4081, 4134, 4422, 4823, 5159, 5226, 6006, 6097, 7102, 7579, 8162, 9581, 9646, 10318, 10653, 12194, 12243, 14469, 15158, 15477, 18291, 19162, 21306, 22737, 24486, 24857, 28743, 28938, 30954, 36582, 39061, 45474, 46163, 49714, 53053, 57486, 67067, 74571, 78122, 92326, 106106, 117183, 134134, 138489, 149142, 159159, 201201, 234366, 273427, 276978, 318318, 323141, 402402, 507793, 546854, 646282, 820281, 969423, 1015586, 1523379, 1640562, 1938846, 3046758, 3554551, 7109102, 10663653, 21327306]

約数ペア:

[(1, 21327306), (2, 10663653), (3, 7109102), (6, 3554551), (7, 3046758), (11, 1938846), (13, 1640562), (14, 1523379), (21, 1015586), (22, 969423), (26, 820281), (33, 646282), (39, 546854), (42, 507793), (53, 402402), (66, 323141), (67, 318318), (77, 276978), (78, 273427), (91, 234366), (106, 201201), (134, 159159), (143, 149142), (154, 138489), (159, 134134), (182, 117183), (201, 106106), (231, 92326), (273, 78122), (286, 74571), (318, 67067), (371, 57486), (402, 53053), (429, 49714), (462, 46163), (469, 45474), (546, 39061), (583, 36582), (689, 30954), (737, 28938), (742, 28743), (858, 24857), (871, 24486), (938, 22737), (1001, 21306), (1113, 19162), (1166, 18291), (1378, 15477), (1407, 15158), (1474, 14469), (1742, 12243), (1749, 12194), (2002, 10653), (2067, 10318), (2211, 9646), (2226, 9581), (2613, 8162), (2814, 7579), (3003, 7102), (3498, 6097), (3551, 6006), (4081, 5226), (4134, 5159), (4422, 4823)]