21213042

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{207971}}^1$

素因数の和:207993

約数の個数: 16

約数和(自身を含む): 44921952

約数和(自身を除く): 23708910

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 207971, 415942, 623913, 1247826, 3535507, 7071014, 10606521, 21213042]

約数ペア:

[(1, 21213042), (2, 10606521), (3, 7071014), (6, 3535507), (17, 1247826), (34, 623913), (51, 415942), (102, 207971)]