21123006

素因数分解:

$2^1\times 3^1\times {\mathrm{223}}^1\times {\mathrm{15787}}^1$

素因数の和:16015

約数の個数: 16

約数和(自身を含む): 42438144

約数和(自身を除く): 21315138

約数列:

[1, 2, 3, 6, 223, 446, 669, 1338, 15787, 31574, 47361, 94722, 3520501, 7041002, 10561503, 21123006]

約数ペア:

[(1, 21123006), (2, 10561503), (3, 7041002), (6, 3520501), (223, 94722), (446, 47361), (669, 31574), (1338, 15787)]