21861752

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3499}}^1$

素因数の和:3587

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 23498248

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 3499, 6248, 6998, 13996, 27992, 38489, 76978, 153956, 248429, 307912, 496858, 993716, 1987432, 2732719, 5465438, 10930876, 21861752]

約数ペア:

[(1, 21861752), (2, 10930876), (4, 5465438), (8, 2732719), (11, 1987432), (22, 993716), (44, 496858), (71, 307912), (88, 248429), (142, 153956), (284, 76978), (568, 38489), (781, 27992), (1562, 13996), (3124, 6998), (3499, 6248)]