21187632

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:562

約数の個数: 80

約数和(自身を含む): 58567680

約数和(自身を除く): 37380048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 31, 48, 58, 62, 87, 93, 116, 124, 174, 186, 232, 248, 348, 372, 464, 491, 496, 696, 744, 899, 982, 1392, 1473, 1488, 1798, 1964, 2697, 2946, 3596, 3928, 5394, 5892, 7192, 7856, 10788, 11784, 14239, 14384, 15221, 21576, 23568, 28478, 30442, 42717, 43152, 45663, 56956, 60884, 85434, 91326, 113912, 121768, 170868, 182652, 227824, 243536, 341736, 365304, 441409, 683472, 730608, 882818, 1324227, 1765636, 2648454, 3531272, 5296908, 7062544, 10593816, 21187632]

約数ペア:

[(1, 21187632), (2, 10593816), (3, 7062544), (4, 5296908), (6, 3531272), (8, 2648454), (12, 1765636), (16, 1324227), (24, 882818), (29, 730608), (31, 683472), (48, 441409), (58, 365304), (62, 341736), (87, 243536), (93, 227824), (116, 182652), (124, 170868), (174, 121768), (186, 113912), (232, 91326), (248, 85434), (348, 60884), (372, 56956), (464, 45663), (491, 43152), (496, 42717), (696, 30442), (744, 28478), (899, 23568), (982, 21576), (1392, 15221), (1473, 14384), (1488, 14239), (1798, 11784), (1964, 10788), (2697, 7856), (2946, 7192), (3596, 5892), (3928, 5394)]