21197188

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{823}}^1$

素因数の和:1011

約数の個数: 24

約数和(自身を含む): 38207232

約数和(自身を除く): 17010044

約数列:

[1, 2, 4, 47, 94, 137, 188, 274, 548, 823, 1646, 3292, 6439, 12878, 25756, 38681, 77362, 112751, 154724, 225502, 451004, 5299297, 10598594, 21197188]

約数ペア:

[(1, 21197188), (2, 10598594), (4, 5299297), (47, 451004), (94, 225502), (137, 154724), (188, 112751), (274, 77362), (548, 38681), (823, 25756), (1646, 12878), (3292, 6439)]