21719489

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6113}}^1$

素因数の和:6160

約数の個数: 16

約数和(自身を含む): 26412480

約数和(自身を除く): 4692991

約数列:

[1, 11, 17, 19, 187, 209, 323, 3553, 6113, 67243, 103921, 116147, 1143131, 1277617, 1974499, 21719489]

約数ペア:

[(1, 21719489), (11, 1974499), (17, 1277617), (19, 1143131), (187, 116147), (209, 103921), (323, 67243), (3553, 6113)]