21619226

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{4093}}^1$

素因数の和:4253

約数の個数: 16

約数和(自身を含む): 34389600

約数和(自身を除く): 12770374

約数列:

[1, 2, 19, 38, 139, 278, 2641, 4093, 5282, 8186, 77767, 155534, 568927, 1137854, 10809613, 21619226]

約数ペア:

[(1, 21619226), (2, 10809613), (19, 1137854), (38, 568927), (139, 155534), (278, 77767), (2641, 8186), (4093, 5282)]