21241036792

素因数分解:

$2^3\times {\mathrm{499}}^1\times {\mathrm{821}}^1\times {\mathrm{6481}}^1$

素因数の和:7807

約数の個数: 32

約数和(自身を含む): 39961530000

約数和(自身を除く): 18720493208

約数列:

[1, 2, 4, 8, 499, 821, 998, 1642, 1996, 3284, 3992, 6481, 6568, 12962, 25924, 51848, 409679, 819358, 1638716, 3234019, 3277432, 5320901, 6468038, 10641802, 12936076, 21283604, 25872152, 42567208, 2655129599, 5310259198, 10620518396, 21241036792]

約数ペア:

[(1, 21241036792), (2, 10620518396), (4, 5310259198), (8, 2655129599), (499, 42567208), (821, 25872152), (998, 21283604), (1642, 12936076), (1996, 10641802), (3284, 6468038), (3992, 5320901), (6481, 3277432), (6568, 3234019), (12962, 1638716), (25924, 819358), (51848, 409679)]