21856070

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{32621}}^1$

素因数の和:32695

約数の個数: 16

約数和(自身を含む): 39929328

約数和(自身を除く): 18073258

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 32621, 65242, 163105, 326210, 2185607, 4371214, 10928035, 21856070]

約数ペア:

[(1, 21856070), (2, 10928035), (5, 4371214), (10, 2185607), (67, 326210), (134, 163105), (335, 65242), (670, 32621)]