21018124

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{169501}}^1$

素因数の和:169536

約数の個数: 12

約数和(自身を含む): 37968448

約数和(自身を除く): 16950324

約数列:

[1, 2, 4, 31, 62, 124, 169501, 339002, 678004, 5254531, 10509062, 21018124]

約数ペア:

[(1, 21018124), (2, 10509062), (4, 5254531), (31, 678004), (62, 339002), (124, 169501)]