21668738

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1777}}^1$

素因数の和:1866

約数の個数: 32

約数和(自身を含む): 40623744

約数和(自身を除く): 18955006

約数列:

[1, 2, 7, 13, 14, 26, 67, 91, 134, 182, 469, 871, 938, 1742, 1777, 3554, 6097, 12194, 12439, 23101, 24878, 46202, 119059, 161707, 238118, 323414, 833413, 1547767, 1666826, 3095534, 10834369, 21668738]

約数ペア:

[(1, 21668738), (2, 10834369), (7, 3095534), (13, 1666826), (14, 1547767), (26, 833413), (67, 323414), (91, 238118), (134, 161707), (182, 119059), (469, 46202), (871, 24878), (938, 23101), (1742, 12439), (1777, 12194), (3554, 6097)]