21652792

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 48960000

約数和(自身を除く): 27307208

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 67, 116, 134, 199, 203, 232, 268, 398, 406, 469, 536, 796, 812, 938, 1393, 1592, 1624, 1876, 1943, 2786, 3752, 3886, 5572, 5771, 7772, 11144, 11542, 13333, 13601, 15544, 23084, 26666, 27202, 40397, 46168, 53332, 54404, 80794, 93331, 106664, 108808, 161588, 186662, 323176, 373324, 386657, 746648, 773314, 1546628, 2706599, 3093256, 5413198, 10826396, 21652792]

約数ペア:

[(1, 21652792), (2, 10826396), (4, 5413198), (7, 3093256), (8, 2706599), (14, 1546628), (28, 773314), (29, 746648), (56, 386657), (58, 373324), (67, 323176), (116, 186662), (134, 161588), (199, 108808), (203, 106664), (232, 93331), (268, 80794), (398, 54404), (406, 53332), (469, 46168), (536, 40397), (796, 27202), (812, 26666), (938, 23084), (1393, 15544), (1592, 13601), (1624, 13333), (1876, 11542), (1943, 11144), (2786, 7772), (3752, 5771), (3886, 5572)]