21243490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{92363}}^1$

素因数の和:92393

約数の個数: 16

約数和(自身を含む): 39901248

約数和(自身を除く): 18657758

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 92363, 184726, 461815, 923630, 2124349, 4248698, 10621745, 21243490]

約数ペア:

[(1, 21243490), (2, 10621745), (5, 4248698), (10, 2124349), (23, 923630), (46, 461815), (115, 184726), (230, 92363)]