21160678

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{439}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 39790080

約数和(自身を除く): 18629402

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 313, 439, 626, 878, 2191, 3073, 3443, 4382, 4829, 6146, 6886, 9658, 24101, 33803, 48202, 67606, 137407, 274814, 961849, 1511477, 1923698, 3022954, 10580339, 21160678]

約数ペア:

[(1, 21160678), (2, 10580339), (7, 3022954), (11, 1923698), (14, 1511477), (22, 961849), (77, 274814), (154, 137407), (313, 67606), (439, 48202), (626, 33803), (878, 24101), (2191, 9658), (3073, 6886), (3443, 6146), (4382, 4829)]