21094136

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 27289864

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 31, 56, 58, 62, 116, 124, 203, 217, 232, 248, 406, 419, 434, 812, 838, 868, 899, 1624, 1676, 1736, 1798, 2933, 3352, 3596, 5866, 6293, 7192, 11732, 12151, 12586, 12989, 23464, 24302, 25172, 25978, 48604, 50344, 51956, 85057, 90923, 97208, 103912, 170114, 181846, 340228, 363692, 376681, 680456, 727384, 753362, 1506724, 2636767, 3013448, 5273534, 10547068, 21094136]

約数ペア:

[(1, 21094136), (2, 10547068), (4, 5273534), (7, 3013448), (8, 2636767), (14, 1506724), (28, 753362), (29, 727384), (31, 680456), (56, 376681), (58, 363692), (62, 340228), (116, 181846), (124, 170114), (203, 103912), (217, 97208), (232, 90923), (248, 85057), (406, 51956), (419, 50344), (434, 48604), (812, 25978), (838, 25172), (868, 24302), (899, 23464), (1624, 12989), (1676, 12586), (1736, 12151), (1798, 11732), (2933, 7192), (3352, 6293), (3596, 5866)]