21310884

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{4027}}^1$

素因数の和:4054

約数の個数: 72

約数和(自身を含む): 64286880

約数和(自身を除く): 42975996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 4027, 5292, 8054, 12081, 16108, 24162, 28189, 36243, 48324, 56378, 72486, 84567, 108729, 112756, 144972, 169134, 197323, 217458, 253701, 338268, 394646, 434916, 507402, 591969, 761103, 789292, 1014804, 1183938, 1522206, 1775907, 2367876, 3044412, 3551814, 5327721, 7103628, 10655442, 21310884]

約数ペア:

[(1, 21310884), (2, 10655442), (3, 7103628), (4, 5327721), (6, 3551814), (7, 3044412), (9, 2367876), (12, 1775907), (14, 1522206), (18, 1183938), (21, 1014804), (27, 789292), (28, 761103), (36, 591969), (42, 507402), (49, 434916), (54, 394646), (63, 338268), (84, 253701), (98, 217458), (108, 197323), (126, 169134), (147, 144972), (189, 112756), (196, 108729), (252, 84567), (294, 72486), (378, 56378), (441, 48324), (588, 36243), (756, 28189), (882, 24162), (1323, 16108), (1764, 12081), (2646, 8054), (4027, 5292)]