21036236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1019}}^1$

素因数の和:1433

約数の個数: 24

約数和(自身を含む): 39784080

約数和(自身を除く): 18747844

約数列:

[1, 2, 4, 13, 26, 52, 397, 794, 1019, 1588, 2038, 4076, 5161, 10322, 13247, 20644, 26494, 52988, 404543, 809086, 1618172, 5259059, 10518118, 21036236]

約数ペア:

[(1, 21036236), (2, 10518118), (4, 5259059), (13, 1618172), (26, 809086), (52, 404543), (397, 52988), (794, 26494), (1019, 20644), (1588, 13247), (2038, 10322), (4076, 5161)]