21869851835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2455907}}^1$

素因数の和:2456062

約数の個数: 16

約数和(自身を含む): 28468885536

約数和(自身を除く): 6599033701

約数列:

[1, 5, 13, 65, 137, 685, 1781, 8905, 2455907, 12279535, 31926791, 159633955, 336459259, 1682296295, 4373970367, 21869851835]

約数ペア:

[(1, 21869851835), (5, 4373970367), (13, 1682296295), (65, 336459259), (137, 159633955), (685, 31926791), (1781, 12279535), (8905, 2455907)]