21915569

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1069}}^1$

素因数の和:1184

約数の個数: 16

約数和(自身を含む): 25166400

約数和(自身を除く): 3250831

約数列:

[1, 13, 19, 83, 247, 1069, 1079, 1577, 13897, 20311, 20501, 88727, 264043, 1153451, 1685813, 21915569]

約数ペア:

[(1, 21915569), (13, 1685813), (19, 1153451), (83, 264043), (247, 88727), (1069, 20501), (1079, 20311), (1577, 13897)]