21084746

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1\times {\mathrm{571}}^1$

素因数の和:1109

約数の個数: 16

約数和(自身を含む): 32604000

約数和(自身を除く): 11519254

約数列:

[1, 2, 37, 74, 499, 571, 998, 1142, 18463, 21127, 36926, 42254, 284929, 569858, 10542373, 21084746]

約数ペア:

[(1, 21084746), (2, 10542373), (37, 569858), (74, 284929), (499, 42254), (571, 36926), (998, 21127), (1142, 18463)]