21776072

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{40627}}^1$

素因数の和:40700

約数の個数: 16

約数和(自身を含む): 41440560

約数和(自身を除く): 19664488

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 40627, 81254, 162508, 325016, 2722009, 5444018, 10888036, 21776072]

約数ペア:

[(1, 21776072), (2, 10888036), (4, 5444018), (8, 2722009), (67, 325016), (134, 162508), (268, 81254), (536, 40627)]