21174538

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{383}}^1$

素因数の和:762

約数の個数: 32

約数和(自身を含む): 39813120

約数和(自身を除く): 18638582

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 359, 383, 718, 766, 2513, 2681, 3949, 4213, 5026, 5362, 7898, 8426, 27643, 29491, 55286, 58982, 137497, 274994, 962479, 1512467, 1924958, 3024934, 10587269, 21174538]

約数ペア:

[(1, 21174538), (2, 10587269), (7, 3024934), (11, 1924958), (14, 1512467), (22, 962479), (77, 274994), (154, 137497), (359, 58982), (383, 55286), (718, 29491), (766, 27643), (2513, 8426), (2681, 7898), (3949, 5362), (4213, 5026)]