21543018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{512929}}^1$

素因数の和:512941

約数の個数: 16

約数和(自身を含む): 49241280

約数和(自身を除く): 27698262

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 512929, 1025858, 1538787, 3077574, 3590503, 7181006, 10771509, 21543018]

約数ペア:

[(1, 21543018), (2, 10771509), (3, 7181006), (6, 3590503), (7, 3077574), (14, 1538787), (21, 1025858), (42, 512929)]