21991610

素因数分解:

$2^1\times 5^1\times {\mathrm{607}}^1\times {\mathrm{3623}}^1$

素因数の和:4237

約数の個数: 16

約数和(自身を含む): 39661056

約数和(自身を除く): 17669446

約数列:

[1, 2, 5, 10, 607, 1214, 3035, 3623, 6070, 7246, 18115, 36230, 2199161, 4398322, 10995805, 21991610]

約数ペア:

[(1, 21991610), (2, 10995805), (5, 4398322), (10, 2199161), (607, 36230), (1214, 18115), (3035, 7246), (3623, 6070)]