21562321

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 25472160

約数和(自身を除く): 3909839

約数列:

[1, 11, 19, 83, 113, 121, 209, 913, 1243, 1577, 2147, 2299, 9379, 10043, 13673, 17347, 23617, 103169, 178201, 190817, 259787, 1134859, 1960211, 21562321]

約数ペア:

[(1, 21562321), (11, 1960211), (19, 1134859), (83, 259787), (113, 190817), (121, 178201), (209, 103169), (913, 23617), (1243, 17347), (1577, 13673), (2147, 10043), (2299, 9379)]