21721188

素因数分解:

$2^2\times 3^1\times {\mathrm{173}}^1\times {\mathrm{10463}}^1$

素因数の和:10643

約数の個数: 24

約数和(自身を含む): 50980608

約数和(自身を除く): 29259420

約数列:

[1, 2, 3, 4, 6, 12, 173, 346, 519, 692, 1038, 2076, 10463, 20926, 31389, 41852, 62778, 125556, 1810099, 3620198, 5430297, 7240396, 10860594, 21721188]

約数ペア:

[(1, 21721188), (2, 10860594), (3, 7240396), (4, 5430297), (6, 3620198), (12, 1810099), (173, 125556), (346, 62778), (519, 41852), (692, 31389), (1038, 20926), (2076, 10463)]