21550199

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1063}}^1$

素因数の和:1190

約数の個数: 16

約数和(自身を含む): 25025280

約数和(自身を除く): 3475081

約数列:

[1, 11, 19, 97, 209, 1063, 1067, 1843, 11693, 20197, 20273, 103111, 222167, 1134221, 1959109, 21550199]

約数ペア:

[(1, 21550199), (11, 1959109), (19, 1134221), (97, 222167), (209, 103111), (1063, 20273), (1067, 20197), (1843, 11693)]