21398604

素因数分解:

$2^2\times 3^1\times {\mathrm{613}}^1\times {\mathrm{2909}}^1$

素因数の和:3529

約数の個数: 24

約数和(自身を含む): 50028720

約数和(自身を除く): 28630116

約数列:

[1, 2, 3, 4, 6, 12, 613, 1226, 1839, 2452, 2909, 3678, 5818, 7356, 8727, 11636, 17454, 34908, 1783217, 3566434, 5349651, 7132868, 10699302, 21398604]

約数ペア:

[(1, 21398604), (2, 10699302), (3, 7132868), (4, 5349651), (6, 3566434), (12, 1783217), (613, 34908), (1226, 17454), (1839, 11636), (2452, 8727), (2909, 7356), (3678, 5818)]