21310163

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1367}}^1$

素因数の和:1522

約数の個数: 16

約数和(自身を含む): 26002944

約数和(自身を除く): 4692781

約数列:

[1, 7, 17, 119, 131, 917, 1367, 2227, 9569, 15589, 23239, 162673, 179077, 1253539, 3044309, 21310163]

約数ペア:

[(1, 21310163), (7, 3044309), (17, 1253539), (119, 179077), (131, 162673), (917, 23239), (1367, 15589), (2227, 9569)]