21471792

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 57877248

約数和(自身を除く): 36405456

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 101, 103, 129, 172, 202, 206, 258, 303, 309, 344, 404, 412, 516, 606, 618, 688, 808, 824, 1032, 1212, 1236, 1616, 1648, 2064, 2424, 2472, 4343, 4429, 4848, 4944, 8686, 8858, 10403, 13029, 13287, 17372, 17716, 20806, 26058, 26574, 31209, 34744, 35432, 41612, 52116, 53148, 62418, 69488, 70864, 83224, 104232, 106296, 124836, 166448, 208464, 212592, 249672, 447329, 499344, 894658, 1341987, 1789316, 2683974, 3578632, 5367948, 7157264, 10735896, 21471792]

約数ペア:

[(1, 21471792), (2, 10735896), (3, 7157264), (4, 5367948), (6, 3578632), (8, 2683974), (12, 1789316), (16, 1341987), (24, 894658), (43, 499344), (48, 447329), (86, 249672), (101, 212592), (103, 208464), (129, 166448), (172, 124836), (202, 106296), (206, 104232), (258, 83224), (303, 70864), (309, 69488), (344, 62418), (404, 53148), (412, 52116), (516, 41612), (606, 35432), (618, 34744), (688, 31209), (808, 26574), (824, 26058), (1032, 20806), (1212, 17716), (1236, 17372), (1616, 13287), (1648, 13029), (2064, 10403), (2424, 8858), (2472, 8686), (4343, 4944), (4429, 4848)]