21852165

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{27487}}^1$

素因数の和:27548

約数の個数: 16

約数和(自身を含む): 35624448

約数和(自身を除く): 13772283

約数列:

[1, 3, 5, 15, 53, 159, 265, 795, 27487, 82461, 137435, 412305, 1456811, 4370433, 7284055, 21852165]

約数ペア:

[(1, 21852165), (3, 7284055), (5, 4370433), (15, 1456811), (53, 412305), (159, 137435), (265, 82461), (795, 27487)]