21164308088

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1808297}}^1$

素因数の和:1808340

約数の個数: 64

約数和(自身を含む): 52078982400

約数和(自身を除く): 30914674312

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 133, 152, 154, 209, 266, 308, 418, 532, 616, 836, 1064, 1463, 1672, 2926, 5852, 11704, 1808297, 3616594, 7233188, 12658079, 14466376, 19891267, 25316158, 34357643, 39782534, 50632316, 68715286, 79565068, 101264632, 137430572, 139238869, 159130136, 240503501, 274861144, 278477738, 377934073, 481007002, 556955476, 755868146, 962014004, 1113910952, 1511736292, 1924028008, 2645538511, 3023472584, 5291077022, 10582154044, 21164308088]

約数ペア:

[(1, 21164308088), (2, 10582154044), (4, 5291077022), (7, 3023472584), (8, 2645538511), (11, 1924028008), (14, 1511736292), (19, 1113910952), (22, 962014004), (28, 755868146), (38, 556955476), (44, 481007002), (56, 377934073), (76, 278477738), (77, 274861144), (88, 240503501), (133, 159130136), (152, 139238869), (154, 137430572), (209, 101264632), (266, 79565068), (308, 68715286), (418, 50632316), (532, 39782534), (616, 34357643), (836, 25316158), (1064, 19891267), (1463, 14466376), (1672, 12658079), (2926, 7233188), (5852, 3616594), (11704, 1808297)]