21408412

素因数分解:

$2^2\times {\mathrm{613}}^1\times {\mathrm{8731}}^1$

素因数の和:9348

約数の個数: 12

約数和(自身を含む): 37530136

約数和(自身を除く): 16121724

約数列:

[1, 2, 4, 613, 1226, 2452, 8731, 17462, 34924, 5352103, 10704206, 21408412]

約数ペア:

[(1, 21408412), (2, 10704206), (4, 5352103), (613, 34924), (1226, 17462), (2452, 8731)]