21491346243

素因数分解:

$3^1\times {\mathrm{1123}}^1\times {\mathrm{2113}}^1\times {\mathrm{3019}}^1$

素因数の和:6258

約数の個数: 16

約数和(自身を含む): 28703722880

約数和(自身を除く): 7212376637

約数列:

[1, 3, 1123, 2113, 3019, 3369, 6339, 9057, 2372899, 3390337, 6379147, 7118697, 10171011, 19137441, 7163782081, 21491346243]

約数ペア:

[(1, 21491346243), (3, 7163782081), (1123, 19137441), (2113, 10171011), (3019, 7118697), (3369, 6379147), (6339, 3390337), (9057, 2372899)]