21187848

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4721}}^1$

素因数の和:4758

約数の個数: 64

約数和(自身を含む): 61197120

約数和(自身を除く): 40009272

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 187, 204, 264, 374, 408, 561, 748, 1122, 1496, 2244, 4488, 4721, 9442, 14163, 18884, 28326, 37768, 51931, 56652, 80257, 103862, 113304, 155793, 160514, 207724, 240771, 311586, 321028, 415448, 481542, 623172, 642056, 882827, 963084, 1246344, 1765654, 1926168, 2648481, 3531308, 5296962, 7062616, 10593924, 21187848]

約数ペア:

[(1, 21187848), (2, 10593924), (3, 7062616), (4, 5296962), (6, 3531308), (8, 2648481), (11, 1926168), (12, 1765654), (17, 1246344), (22, 963084), (24, 882827), (33, 642056), (34, 623172), (44, 481542), (51, 415448), (66, 321028), (68, 311586), (88, 240771), (102, 207724), (132, 160514), (136, 155793), (187, 113304), (204, 103862), (264, 80257), (374, 56652), (408, 51931), (561, 37768), (748, 28326), (1122, 18884), (1496, 14163), (2244, 9442), (4488, 4721)]