21231042

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{505501}}^1$

素因数の和:505513

約数の個数: 16

約数和(自身を含む): 48528192

約数和(自身を除く): 27297150

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 505501, 1011002, 1516503, 3033006, 3538507, 7077014, 10615521, 21231042]

約数ペア:

[(1, 21231042), (2, 10615521), (3, 7077014), (6, 3538507), (7, 3033006), (14, 1516503), (21, 1011002), (42, 505501)]