21893685405

素因数分解:

$3^1\times 5^1\times {\mathrm{1801}}^1\times {\mathrm{810427}}^1$

素因数の和:812236

約数の個数: 16

約数和(自身を含む): 35049390144

約数和(自身を除く): 13155704739

約数列:

[1, 3, 5, 15, 1801, 5403, 9005, 27015, 810427, 2431281, 4052135, 12156405, 1459579027, 4378737081, 7297895135, 21893685405]

約数ペア:

[(1, 21893685405), (3, 7297895135), (5, 4378737081), (15, 1459579027), (1801, 12156405), (5403, 4052135), (9005, 2431281), (27015, 810427)]