21355594

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1871}}^1$

素因数の和:2325

約数の個数: 16

約数和(自身を含む): 34594560

約数和(自身を除く): 13238966

約数列:

[1, 2, 13, 26, 439, 878, 1871, 3742, 5707, 11414, 24323, 48646, 821369, 1642738, 10677797, 21355594]

約数ペア:

[(1, 21355594), (2, 10677797), (13, 1642738), (26, 821369), (439, 48646), (878, 24323), (1871, 11414), (3742, 5707)]