21391896

素因数分解:

$2^3\times 3^1\times {\mathrm{891329}}^1$

素因数の和:891338

約数の個数: 16

約数和(自身を含む): 53479800

約数和(自身を除く): 32087904

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 891329, 1782658, 2673987, 3565316, 5347974, 7130632, 10695948, 21391896]

約数ペア:

[(1, 21391896), (2, 10695948), (3, 7130632), (4, 5347974), (6, 3565316), (8, 2673987), (12, 1782658), (24, 891329)]