21247546

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{9901}}^1$

素因数の和:9969

約数の個数: 16

約数和(自身を含む): 33864840

約数和(自身を除く): 12617294

約数列:

[1, 2, 29, 37, 58, 74, 1073, 2146, 9901, 19802, 287129, 366337, 574258, 732674, 10623773, 21247546]

約数ペア:

[(1, 21247546), (2, 10623773), (29, 732674), (37, 574258), (58, 366337), (74, 287129), (1073, 19802), (2146, 9901)]