21420817

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{52631}}^1$

素因数の和:52679

約数の個数: 8

約数和(自身を含む): 24000192

約数和(自身を除く): 2579375

約数列:

[1, 11, 37, 407, 52631, 578941, 1947347, 21420817]

約数ペア:

[(1, 21420817), (11, 1947347), (37, 578941), (407, 52631)]