21005963

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{9137}}^1$

素因数の和:9178

約数の個数: 12

約数和(自身を含む): 24307080

約数和(自身を除く): 3301117

約数列:

[1, 11, 19, 121, 209, 2299, 9137, 100507, 173603, 1105577, 1909633, 21005963]

約数ペア:

[(1, 21005963), (11, 1909633), (19, 1105577), (121, 173603), (209, 100507), (2299, 9137)]