21818404

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{1061}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 39340728

約数和(自身を除く): 17522324

約数列:

[1, 2, 4, 53, 97, 106, 194, 212, 388, 1061, 2122, 4244, 5141, 10282, 20564, 56233, 102917, 112466, 205834, 224932, 411668, 5454601, 10909202, 21818404]

約数ペア:

[(1, 21818404), (2, 10909202), (4, 5454601), (53, 411668), (97, 224932), (106, 205834), (194, 112466), (212, 102917), (388, 56233), (1061, 20564), (2122, 10282), (4244, 5141)]