21000966484

素因数分解:

$2^2\times {\mathrm{15607}}^1\times {\mathrm{336403}}^1$

素因数の和:352014

約数の個数: 12

約数和(自身を含む): 36754155424

約数和(自身を除く): 15753188940

約数列:

[1, 2, 4, 15607, 31214, 62428, 336403, 672806, 1345612, 5250241621, 10500483242, 21000966484]

約数ペア:

[(1, 21000966484), (2, 10500483242), (4, 5250241621), (15607, 1345612), (31214, 672806), (62428, 336403)]