21325414

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8893}}^1$

素因数の和:9015

約数の個数: 16

約数和(自身を含む): 35220240

約数和(自身を除く): 13894826

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8893, 17786, 97823, 195646, 969337, 1938674, 10662707, 21325414]

約数ペア:

[(1, 21325414), (2, 10662707), (11, 1938674), (22, 969337), (109, 195646), (218, 97823), (1199, 17786), (2398, 8893)]