21135844048

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{50821}}^1$

素因数の和:50996

約数の個数: 80

約数和(自身を含む): 47642575680

約数和(自身を除く): 26506731632

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 139, 176, 187, 272, 278, 374, 556, 748, 1112, 1496, 1529, 2224, 2363, 2992, 3058, 4726, 6116, 9452, 12232, 18904, 24464, 25993, 37808, 50821, 51986, 101642, 103972, 203284, 207944, 406568, 415888, 559031, 813136, 863957, 1118062, 1727914, 2236124, 3455828, 4472248, 6911656, 7064119, 8944496, 9503527, 13823312, 14128238, 19007054, 28256476, 38014108, 56512952, 76028216, 77705309, 113025904, 120090023, 152056432, 155410618, 240180046, 310821236, 480360092, 621642472, 960720184, 1243284944, 1320990253, 1921440368, 2641980506, 5283961012, 10567922024, 21135844048]

約数ペア:

[(1, 21135844048), (2, 10567922024), (4, 5283961012), (8, 2641980506), (11, 1921440368), (16, 1320990253), (17, 1243284944), (22, 960720184), (34, 621642472), (44, 480360092), (68, 310821236), (88, 240180046), (136, 155410618), (139, 152056432), (176, 120090023), (187, 113025904), (272, 77705309), (278, 76028216), (374, 56512952), (556, 38014108), (748, 28256476), (1112, 19007054), (1496, 14128238), (1529, 13823312), (2224, 9503527), (2363, 8944496), (2992, 7064119), (3058, 6911656), (4726, 4472248), (6116, 3455828), (9452, 2236124), (12232, 1727914), (18904, 1118062), (24464, 863957), (25993, 813136), (37808, 559031), (50821, 415888), (51986, 406568), (101642, 207944), (103972, 203284)]