21034678

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2851}}^1$

素因数の和:2908

約数の個数: 32

約数和(自身を含む): 39426048

約数和(自身を除く): 18391370

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 217, 238, 434, 527, 1054, 2851, 3689, 5702, 7378, 19957, 39914, 48467, 88381, 96934, 176762, 339269, 618667, 678538, 1237334, 1502477, 3004954, 10517339, 21034678]

約数ペア:

[(1, 21034678), (2, 10517339), (7, 3004954), (14, 1502477), (17, 1237334), (31, 678538), (34, 618667), (62, 339269), (119, 176762), (217, 96934), (238, 88381), (434, 48467), (527, 39914), (1054, 19957), (2851, 7378), (3689, 5702)]