21282745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{1021}}^1$

素因数の和:1416

約数の個数: 16

約数和(自身を含む): 27961920

約数和(自身を除く): 6679175

約数列:

[1, 5, 11, 55, 379, 1021, 1895, 4169, 5105, 11231, 20845, 56155, 386959, 1934795, 4256549, 21282745]

約数ペア:

[(1, 21282745), (5, 4256549), (11, 1934795), (55, 386959), (379, 56155), (1021, 20845), (1895, 11231), (4169, 5105)]