21914284

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9907}}^1$

素因数の和:9997

約数の個数: 24

約数和(自身を含む): 44387840

約数和(自身を除く): 22473556

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9907, 19814, 39628, 69349, 138698, 277396, 782653, 1565306, 3130612, 5478571, 10957142, 21914284]

約数ペア:

[(1, 21914284), (2, 10957142), (4, 5478571), (7, 3130612), (14, 1565306), (28, 782653), (79, 277396), (158, 138698), (316, 69349), (553, 39628), (1106, 19814), (2212, 9907)]