21305864

素因数分解:

$2^3\times {\mathrm{379}}^1\times {\mathrm{7027}}^1$

素因数の和:7412

約数の個数: 16

約数和(自身を含む): 40059600

約数和(自身を除く): 18753736

約数列:

[1, 2, 4, 8, 379, 758, 1516, 3032, 7027, 14054, 28108, 56216, 2663233, 5326466, 10652932, 21305864]

約数ペア:

[(1, 21305864), (2, 10652932), (4, 5326466), (8, 2663233), (379, 56216), (758, 28108), (1516, 14054), (3032, 7027)]