21007597

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5003}}^1$

素因数の和:5052

約数の個数: 16

約数和(自身を含む): 25220160

約数和(自身を除く): 4212563

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 5003, 65039, 85051, 95057, 1105663, 1235741, 1615969, 21007597]

約数ペア:

[(1, 21007597), (13, 1615969), (17, 1235741), (19, 1105663), (221, 95057), (247, 85051), (323, 65039), (4199, 5003)]