21026878

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{4241}}^1$

素因数の和:4347

約数の個数: 16

約数和(自身を含む): 32883984

約数和(自身を除く): 11857106

約数列:

[1, 2, 37, 67, 74, 134, 2479, 4241, 4958, 8482, 156917, 284147, 313834, 568294, 10513439, 21026878]

約数ペア:

[(1, 21026878), (2, 10513439), (37, 568294), (67, 313834), (74, 284147), (134, 156917), (2479, 8482), (4241, 4958)]