21048314

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1493}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 38724480

約数和(自身を除く): 17676166

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 266, 371, 742, 1007, 1493, 2014, 2986, 7049, 10451, 14098, 20902, 28367, 56734, 79129, 158258, 198569, 397138, 553903, 1107806, 1503451, 3006902, 10524157, 21048314]

約数ペア:

[(1, 21048314), (2, 10524157), (7, 3006902), (14, 1503451), (19, 1107806), (38, 553903), (53, 397138), (106, 198569), (133, 158258), (266, 79129), (371, 56734), (742, 28367), (1007, 20902), (1493, 14098), (2014, 10451), (2986, 7049)]