2106421295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{1489}}^1$

素因数の和:1628

約数の個数: 48

約数和(自身を含む): 2964146400

約数和(自身を除く): 857725105

約数列:

[1, 5, 11, 17, 55, 85, 89, 187, 289, 445, 935, 979, 1445, 1489, 1513, 3179, 4895, 7445, 7565, 15895, 16379, 16643, 25313, 25721, 81895, 83215, 126565, 128605, 132521, 278443, 282931, 430321, 662605, 1392215, 1414655, 1457731, 2151605, 2252857, 4733531, 7288655, 11264285, 23667655, 24781427, 38298569, 123907135, 191492845, 421284259, 2106421295]

約数ペア:

[(1, 2106421295), (5, 421284259), (11, 191492845), (17, 123907135), (55, 38298569), (85, 24781427), (89, 23667655), (187, 11264285), (289, 7288655), (445, 4733531), (935, 2252857), (979, 2151605), (1445, 1457731), (1489, 1414655), (1513, 1392215), (3179, 662605), (4895, 430321), (7445, 282931), (7565, 278443), (15895, 132521), (16379, 128605), (16643, 126565), (25313, 83215), (25721, 81895)]