21219608

素因数分解:

$2^3\times {\mathrm{613}}^1\times {\mathrm{4327}}^1$

素因数の和:4946

約数の個数: 16

約数和(自身を含む): 39860880

約数和(自身を除く): 18641272

約数列:

[1, 2, 4, 8, 613, 1226, 2452, 4327, 4904, 8654, 17308, 34616, 2652451, 5304902, 10609804, 21219608]

約数ペア:

[(1, 21219608), (2, 10609804), (4, 5304902), (8, 2652451), (613, 34616), (1226, 17308), (2452, 8654), (4327, 4904)]