21878045294

素因数分解:

$2^1\times 7^1\times {\mathrm{4691}}^1\times {\mathrm{333131}}^1$

素因数の和:337831

約数の個数: 16

約数和(自身を含む): 37513328256

約数和(自身を除く): 15635282962

約数列:

[1, 2, 7, 14, 4691, 9382, 32837, 65674, 333131, 666262, 2331917, 4663834, 1562717521, 3125435042, 10939022647, 21878045294]

約数ペア:

[(1, 21878045294), (2, 10939022647), (7, 3125435042), (14, 1562717521), (4691, 4663834), (9382, 2331917), (32837, 666262), (65674, 333131)]