21938308

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5981}}^1$

素因数の和:6123

約数の個数: 24

約数和(自身を含む): 44218944

約数和(自身を除く): 22280636

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5981, 11962, 23924, 41867, 83734, 167468, 783511, 1567022, 3134044, 5484577, 10969154, 21938308]

約数ペア:

[(1, 21938308), (2, 10969154), (4, 5484577), (7, 3134044), (14, 1567022), (28, 783511), (131, 167468), (262, 83734), (524, 41867), (917, 23924), (1834, 11962), (3668, 5981)]