15621136

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{13751}}^1$

素因数の和:13830

約数の個数: 20

約数和(自身を含む): 30694464

約数和(自身を除く): 15073328

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 13751, 27502, 55004, 110008, 220016, 976321, 1952642, 3905284, 7810568, 15621136]

約数ペア:

[(1, 15621136), (2, 7810568), (4, 3905284), (8, 1952642), (16, 976321), (71, 220016), (142, 110008), (284, 55004), (568, 27502), (1136, 13751)]