21694448

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1697}}^1$

素因数の和:1769

約数の個数: 40

約数和(自身を含む): 45479232

約数和(自身を除く): 23784784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 799, 1598, 1697, 3196, 3394, 6392, 6788, 12784, 13576, 27152, 28849, 57698, 79759, 115396, 159518, 230792, 319036, 461584, 638072, 1276144, 1355903, 2711806, 5423612, 10847224, 21694448]

約数ペア:

[(1, 21694448), (2, 10847224), (4, 5423612), (8, 2711806), (16, 1355903), (17, 1276144), (34, 638072), (47, 461584), (68, 319036), (94, 230792), (136, 159518), (188, 115396), (272, 79759), (376, 57698), (752, 28849), (799, 27152), (1598, 13576), (1697, 12784), (3196, 6788), (3394, 6392)]