21531598

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51511}}^1$

素因数の和:51543

約数の個数: 16

約数和(自身を含む): 37088640

約数和(自身を除く): 15557042

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51511, 103022, 566621, 978709, 1133242, 1957418, 10765799, 21531598]

約数ペア:

[(1, 21531598), (2, 10765799), (11, 1957418), (19, 1133242), (22, 978709), (38, 566621), (209, 103022), (418, 51511)]