21050064

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{6961}}^1$

素因数の和:6985

約数の個数: 80

約数和(自身を含む): 69063040

約数和(自身を除く): 48012976

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 6961, 13922, 20883, 27844, 41766, 48727, 55688, 62649, 83532, 97454, 111376, 125298, 146181, 167064, 187947, 194908, 250596, 292362, 334128, 375894, 389816, 438543, 501192, 584724, 751788, 779632, 877086, 1002384, 1169448, 1315629, 1503576, 1754172, 2338896, 2631258, 3007152, 3508344, 5262516, 7016688, 10525032, 21050064]

約数ペア:

[(1, 21050064), (2, 10525032), (3, 7016688), (4, 5262516), (6, 3508344), (7, 3007152), (8, 2631258), (9, 2338896), (12, 1754172), (14, 1503576), (16, 1315629), (18, 1169448), (21, 1002384), (24, 877086), (27, 779632), (28, 751788), (36, 584724), (42, 501192), (48, 438543), (54, 389816), (56, 375894), (63, 334128), (72, 292362), (84, 250596), (108, 194908), (112, 187947), (126, 167064), (144, 146181), (168, 125298), (189, 111376), (216, 97454), (252, 83532), (336, 62649), (378, 55688), (432, 48727), (504, 41766), (756, 27844), (1008, 20883), (1512, 13922), (3024, 6961)]