21649166

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{547}}^1$

素因数の和:824

約数の個数: 32

約数和(自身を含む): 40718592

約数和(自身を除く): 19069426

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 257, 514, 547, 1094, 1799, 2827, 3598, 3829, 5654, 6017, 7658, 12034, 19789, 39578, 42119, 84238, 140579, 281158, 984053, 1546369, 1968106, 3092738, 10824583, 21649166]

約数ペア:

[(1, 21649166), (2, 10824583), (7, 3092738), (11, 1968106), (14, 1546369), (22, 984053), (77, 281158), (154, 140579), (257, 84238), (514, 42119), (547, 39578), (1094, 19789), (1799, 12034), (2827, 7658), (3598, 6017), (3829, 5654)]