21183652

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{16097}}^1$

素因数の和:16155

約数の個数: 24

約数和(自身を含む): 43271424

約数和(自身を除く): 22087772

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 16097, 32194, 64388, 112679, 225358, 450716, 756559, 1513118, 3026236, 5295913, 10591826, 21183652]

約数ペア:

[(1, 21183652), (2, 10591826), (4, 5295913), (7, 3026236), (14, 1513118), (28, 756559), (47, 450716), (94, 225358), (188, 112679), (329, 64388), (658, 32194), (1316, 16097)]